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The NASCAR Cup Series is the top racing series of the
National Association for Stock Car Auto Racing The National Association for Stock Car Auto Racing, LLC (NASCAR) is an American auto racing sanctioning and operating company that is best known for stock car racing. The privately owned company was founded by Bill France Sr. in 1948, and ...
(NASCAR). The series began in 1949 as the Strictly Stock Division, and from 1950 to 1970 it was known as the Grand National Division. In 1971, when the series began leasing its
naming rights Naming rights are a financial transaction and form of advertising or memorialization whereby a corporation, person, or other entity purchases the right to name a facility, object, location, program, or event, typically for a defined period of t ...
to the
R. J. Reynolds Tobacco Company The R. J. Reynolds Tobacco Company (RJR) is an American tobacco manufacturing company based in Winston-Salem, North Carolina, and headquartered at the RJR Plaza Building. Founded by R. J. Reynolds in 1875, it is the second-largest tobacco comp ...
, it was referred to as the NASCAR Winston Cup Series (1971–2003). A similar deal was made with
Nextel Nextel Communications, Inc. was an American wireless service operator that merged with and ceased to exist as a subsidiary of Sprint Corporation, which would later be bought by T-Mobile, T-Mobile US and folded into that company. Nextel in Brazil, ...
in 2003, and it became the NASCAR Nextel Cup Series (2004–2007).
Sprint Sprint may refer to: Aerospace *Spring WS202 Sprint, a Canadian aircraft design *Sprint (missile), an anti-ballistic missile Automotive and motorcycle *Alfa Romeo Sprint, automobile produced by Alfa Romeo between 1976 and 1989 *Chevrolet Sprint, ...
acquired Nextel in 2005, and in 2008 the series was renamed the NASCAR Sprint Cup Series (2008–2016). In December 2016, it was announced that
Monster Energy Monster Energy is an energy drink that was created by Hansen Natural Company (now Monster Beverage Corporation) in April 2002. As of March 2019, Monster Energy had a 35% share of the energy drink market, the second highest share after Red Bull ...
would become the new title sponsor, and the series was renamed the Monster Energy NASCAR Cup Series (2017–2019). In 2019, NASCAR rejected Monster's offer to extend the current naming rights deal beyond the end of the season. NASCAR subsequently announced its move to a new tiered sponsorship model beginning with the 2020 season similar to other US based professional sports leagues, where it was simply known as the NASCAR Cup Series, with the sponsors of the series being called Premier Partners. The four Premier Partners are
Busch Beer Anheuser-Busch, a wholly owned subsidiary of Anheuser-Busch InBev SA/NV, is the largest brewing company in the United States, with a market share of 45 percent in 2016. The company operates 12 breweries in the United States and nearly 20 in othe ...
,
Coca-Cola Coca-Cola, or Coke, is a carbonated soft drink manufactured by the Coca-Cola Company. Originally marketed as a temperance drink and intended as a patent medicine, it was invented in the late 19th century by John Stith Pemberton in Atlanta ...
,
GEICO The Government Employees Insurance Company (GEICO ) is a private American auto insurance company with headquarters in Chevy Chase, Maryland. It is the second largest auto insurer in the United States, after State Farm. GEICO is a wholly owne ...
, and
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. The championship is determined by a points system, with points being awarded according to finish placement and number of laps led. The season is divided into two segments. After the first 26 races, 16 drivers, selected primarily on the basis of wins during the first 26 races, are seeded based on their total number of wins. They compete in the last ten races, where the difference in points is greatly minimized. This is called the
NASCAR playoffs The NASCAR playoffs is a championship playoff system used in NASCAR's three national series. The system was founded as 'The Chase for the Championship' on January 21, 2004, and was used exclusively in the NASCAR Cup Series from 2004 to 2015. Si ...
. The series holds strong roots in the
Southeastern United States The Southeastern United States, also referred to as the American Southeast or simply the Southeast, is a geographical region of the United States. It is located broadly on the eastern portion of the southern United States and the southern por ...
, with about half of the races in the 36-race season being held in that region. the schedule includes tracks from around the United States. Regular season races were previously held in
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, and exhibition races were held in
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and
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. The
Daytona 500 The Daytona 500 is a NASCAR Cup Series motor race held annually at Daytona International Speedway in Daytona Beach, Florida. It is the first of two Cup races held every year at Daytona, the second being the Coke Zero Sugar 400, and one of three ...
, the most prestigious race, had a television audience of about 9.17 million U.S. viewers in 2019. Cup Series cars are unique in automobile racing. The engines are powerful enough to reach speeds of over , but their weight coupled with a relatively simple aerodynamic package (based on the body styles of cars currently available for retail sale in the United States) make for poor handling. The bodies and chassis of the cars are strictly regulated to ensure parity, and electronics are traditionally spartan in nature.


History


Strictly Stock and Grand National

In 1949,
NASCAR The National Association for Stock Car Auto Racing, LLC (NASCAR) is an American auto racing sanctioning and operating company that is best known for stock car racing. The privately owned company was founded by Bill France Sr. in 1948, and hi ...
introduced the Strictly Stock division, after sanctioning Modified and Roadster division races in 1948. Eight races were run on seven dirt ovals and on the
Daytona Beach Daytona Beach, or simply Daytona, is a coastal resort-city in east-central Florida. Located on the eastern edge of Volusia County near the Atlantic coastline, its population was 72,647 at the 2020 census. Daytona Beach is approximately nort ...
beach/street course."Strictly Stock Standings and Statistics for 1949" page of Racing-Reference websit

, retrieved May 9, 2007.
The first 1949 NASCAR Strictly Stock Series inaugural race, NASCAR "Strictly Stock" race was held at
Charlotte Speedway Charlotte Speedway was the site of NASCAR's first Strictly Stock Series (now NASCAR Cup Series) race on June 19, 1949. The Daytona Beach Road Course held the first race sanctioned by NASCAR in 1948. The track was a few miles west of the NASCAR ...
on June 19, 1949.
Jim Roper Christian David "Jim" Roper (August 13, 1916 – June 23, 2000) was a NASCAR driver. He lived in Halstead, Kansas. He is most known as the winner of the first ever NASCAR race at Charlotte. Racing career Roper lived at his grandfather's hors ...
was declared the winner of that race after
Glenn Dunaway Henry Glenn Dunaway (July 6, 1914 – March 8, 1964) was an American auto racer noted for initially winning, and then being disqualified from, what is today recognized as NASCAR's first-ever race. NASCAR career 1949 Dunaway competed in NASCA ...
was disqualified for having altered the rear springs on his car; the first series champion was
Red Byron Robert Nold "Red" Byron (March 12, 1915 – November 11, 1960) was an American stock car racing driver, who was successful in NASCAR competition in the sanctioning body's first years. He was NASCAR's first Modified champion (and its first c ...
. The division was renamed "Grand National" for the 1950 season, reflecting NASCAR's intent to make the sport more professional and prestigious. It retained this name until 1971. The 1949 Strictly Stock season is regarded in NASCAR's record books as the first season of GN/Cup history.
Martinsville Speedway Martinsville Speedway is a NASCAR-owned stock car racing short track in Ridgeway, Virginia, just south of Martinsville. At in length, it is the shortest track in the NASCAR Cup Series. The track was also one of the first paved oval tracks in s ...
is the only track on the 1949 schedule that remains on the current schedule. Rather than having a fixed schedule of one race per weekend with most entrants appearing at every event, the Grand National schedule has included over sixty events in some years. Often there are two or three races on the same weekend and occasionally two races on the same day in different states. In the early years, most Grand National races were held on dirt-surfaced short oval tracks that ranged in lap length from under a quarter-mile to over a half-mile, or on dirt fairgrounds ovals usually ranging from a half-mile to a mile in lap length. Of the first 221 Grand National races, 198 were run on dirt tracks.
Darlington Raceway Darlington Raceway is a race track built for NASCAR racing located in Darlington, South Carolina. It is nicknamed "The Lady in Black" and "The Track Too Tough to Tame" by many NASCAR fans and drivers and advertised as "A NASCAR Tradition." It is ...
, opened in 1950, was the first completely paved track on the circuit over long. In 1959, when
Daytona International Speedway Daytona International Speedway is a race track in Daytona Beach, Florida, United States. Since opening in 1959, it has been the home of the Daytona 500, the most prestigious race in NASCAR as well as its season opening event. In addition to NA ...
was opened, the schedule still had more races on dirt racetracks than on paved ones. In the 1960s as
superspeedway Oval track racing is a form of closed-circuit motorsport that is contested on an oval-shaped race track. An oval track differs from a Road racing, road course in that the layout resembles an oval with turns in only one direction, and the directi ...
s were built and old dirt tracks were paved, the number of races run on dirt tracks was reduced.Fielden, Greg, "NASCAR Cleans Up", ''Speedway Illustrated'', September 2004. The last NASCAR Grand National race on a dirt track (until
2021 File:2021 collage V2.png, From top left, clockwise: the James Webb Space Telescope was launched in 2021; Protesters in Yangon, Myanmar following the 2021 Myanmar coup d'état, coup d'état; A civil demonstration against the October–November 2021 ...
) was held on September 30, 1970, at the half-mile
State Fairgrounds Speedway ''Other speedways at state fairgrounds can be found at State Fairgrounds Speedway (disambiguation)'' State Fairgrounds Speedway, located at the North Carolina State Fairgrounds in Raleigh, North Carolina, was a half-mile oval dirt racetrack which w ...
in
Raleigh, North Carolina Raleigh (; ) is the capital city of the state of North Carolina and the List of North Carolina county seats, seat of Wake County, North Carolina, Wake County in the United States. It is the List of municipalities in North Carolina, second-most ...
.
Richard Petty Richard Lee Petty (born July 2, 1937), nicknamed "The King", is an American former stock car racing driver who raced from 1958 to 1992 in the former NASCAR Grand National and Winston Cup Series (now called the NASCAR Cup Series), most notabl ...
won that race in a
Plymouth Plymouth () is a port city and unitary authority in South West England. It is located on the south coast of Devon, approximately south-west of Exeter and south-west of London. It is bordered by Cornwall to the west and south-west. Plymouth ...
that had been sold by
Petty Enterprises Petty Enterprises (formerly Lee Petty Engineering) was a NASCAR racing team based in Level Cross, North Carolina, USA. It was founded by Lee Petty with his two sons Richard Petty and Maurice Petty. The team was later owned by Richard Petty, hi ...
to Don Robertson and rented back by Petty Enterprises for the race.


Winston Cup

Between 1971 and 2003, NASCAR's premier series was sponsored by
R. J. Reynolds Tobacco Company The R. J. Reynolds Tobacco Company (RJR) is an American tobacco manufacturing company based in Winston-Salem, North Carolina, and headquartered at the RJR Plaza Building. Founded by R. J. Reynolds in 1875, it is the second-largest tobacco comp ...
cigarette brand Winston, dubbing it the Winston Cup Series. The series was originally called the Winston Cup Grand National Series before "Grand National" was dropped in 1986. In 1971, the
Public Health Cigarette Smoking Act The Public Health Cigarette Smoking Act is a 1970 federal law in the United States designed to limit the practice of tobacco smoking. As approved by the United States Congress and signed into law by President Richard Nixon, the act required a stro ...
banned television advertising of cigarettes. As a result, tobacco companies began to sponsor sporting events as a way to spend their excess advertising dollars and to circumvent the Public Health Cigarette Smoking Act's ban on television advertising. RJR's sponsorship became more controversial in the wake of the 1998 Tobacco Industry Settlement that sharply restricted avenues for tobacco advertising, including sports sponsorships. The changes that resulted from RJR's involvement in the series as well as from the reduction in schedule from 48 to 31 races per year established 1972 as the beginning of NASCAR's "modern era". The season was made shorter, and the points system was modified several times during the next four years. Races on dirt tracks and on oval tracks shorter than were removed from the schedule and transferred to the short-lived
NASCAR Grand National East Series The NASCAR Grand National East Series was a short-lived racing series created by NASCAR in 1972 to provide a second-tier series, below the Winston Cup Series, to provide races at tracks that had been removed from the former Grand National Series' ...
, and the remaining races had a minimum prize money of $30,000. NASCAR's founder, Bill France Sr., turned over control of NASCAR to his oldest son,
Bill France Jr. William Clifton France (April 4, 1933 – June 4, 2007), better known as Bill France Jr. or Little Billy, was an American motorsports executive who served from 1972 to 2000 as the chief executive officer (CEO) of NASCAR, the sanctioning body of t ...
In August 1974, France Jr. asked series publicist Bob Latford to design a points system with equal points being awarded for all races regardless of length or prize money.Mitchell, Jason, "How Do They Do That?: Winston Cup Point System", Stock Car Racing (ISSN 0734-7340), Volume 36, Number 10, October 2001. This system ensured that the top drivers would have to compete in all the races in order to become the series champion. This system remained unchanged from 1975 until the Chase for the Championship was instituted in 2004. Since 1982, the
Daytona 500 The Daytona 500 is a NASCAR Cup Series motor race held annually at Daytona International Speedway in Daytona Beach, Florida. It is the first of two Cup races held every year at Daytona, the second being the Coke Zero Sugar 400, and one of three ...
has been the first non-exhibition race of the year.
ABC ABC are the first three letters of the Latin script known as the alphabet. ABC or abc may also refer to: Arts, entertainment, and media Broadcasting * American Broadcasting Company, a commercial U.S. TV broadcaster ** Disney–ABC Television ...
Sports aired partial or full live telecasts of Grand National races from Talladega, North Wilkesboro, Darlington, Charlotte, and Nashville in 1970. Because these events were perceived as less exciting than many Grand National races, ABC abandoned its live coverage. Races were instead broadcast, delayed and edited, on the ABC sports variety show '' Wide World of Sports''. In 1979, the
Daytona 500 The Daytona 500 is a NASCAR Cup Series motor race held annually at Daytona International Speedway in Daytona Beach, Florida. It is the first of two Cup races held every year at Daytona, the second being the Coke Zero Sugar 400, and one of three ...
became the first stock car race that was nationally televised live from flag to flag on
CBS CBS Broadcasting Inc., commonly shortened to CBS, the abbreviation of its former legal name Columbia Broadcasting System, is an American commercial broadcast television and radio network serving as the flagship property of the CBS Entertainmen ...
. The leaders going into the last lap,
Cale Yarborough William Caleb "Cale" Yarborough (born March 27, 1939) is an American former NASCAR Winston Cup Series driver and owner, businessman, and farmer. He is one of only two drivers in NASCAR history to win three consecutive championships, winning in 1 ...
and
Donnie Allison Donnie Allison (born September 7, 1939) is an American former driver on the NASCAR Grand National/Winston Cup circuit, who won ten times during his racing career, which spanned from 1966 to 1988. He is part of the "Alabama Gang", and is the bro ...
, wrecked on the backstretch while dicing for the lead, allowing
Richard Petty Richard Lee Petty (born July 2, 1937), nicknamed "The King", is an American former stock car racing driver who raced from 1958 to 1992 in the former NASCAR Grand National and Winston Cup Series (now called the NASCAR Cup Series), most notabl ...
to pass them both for the win. Immediately, Yarborough, Allison, and Allison's brother
Bobby Bobby or Bobbie may refer to: People * Bobby (given name), a list of names * Bobby (actress), from Bangladesh * Bobby (rapper) (born 1995), from South Korea * Bobby (screenwriter) (born 1983), Indian screenwriter * Bobby, old slang for a constabl ...
were engaged in a fistfight on national television. This underlined the drama and emotion of the sport and increased its broadcast marketability. The race coincided with a major snowstorm along the United States' eastern seaboard, successfully introducing the sport to a captive audience. In 1981, an awards banquet began to be held in New York City on the first Friday evening in December. The first banquets were held in the
Waldorf-Astoria The Waldorf Astoria New York is a luxury hotel and condominium residence in Midtown Manhattan in New York City. The structure, at 301 Park Avenue between 49th and 50th Streets, is a 47-story Art Deco landmark designed by architects Schultz ...
's Starlight Room and in 1985 were moved to the much larger Grand Ballroom. For 2001, the banquet portion was dropped in favor of a simpler awards ceremony, which was also moved to the
Hammerstein Ballroom The Hammerstein Ballroom is a ballroom located within the Manhattan Center at 311 West 34th Street in Midtown Manhattan, New York City. The capacity of the ballroom is dependent on the configuration of the room; it seats 2,500 people for theat ...
at the
Manhattan Center The Manhattan Center is a building in Midtown Manhattan, New York City. Built in 1906 and located at 311 West 34th Street, it houses Manhattan Center Studios, the location of two recording studios; its Grand Ballroom; and the Hammerstein Ballroo ...
the following year. However, in 2003, the festivities returned to the Waldorf's Grand Ballroom, and the banquet format was reinstated. In 1985, Winston introduced a new awards program called the
Winston Million Winston may refer to: Places Antarctica * Winston Glacier Australia * Winston, Queensland, a suburb of the City of Mount Isa United Kingdom * Winston, County Durham, England, a village * Winston, Suffolk, England, a village and civil pari ...
. From 1985 to 1997, any driver who won three of the four most prestigious races in the series was given one million dollars. The prize was only won twice;
Bill Elliott William Clyde Elliott (born October 8, 1955), also known as Awesome Bill from Dawsonville, Million Dollar Bill, or Wild Bill is an American former professional stock car racing driver. He competes full time in the Camping World Superstar Racing ...
won in 1985,
Darrell Waltrip Darrell Lee Waltrip (born February 5, 1947) is an American motorsports analyst, author, former national television broadcaster, and stock car driver. He raced from 1972 to 2000 in the NASCAR Cup Series (known as the NASCAR Winston Cup Series dur ...
nearly won in 1989,
Davey Allison David Carl Allison (February 25, 1961 – July 13, 1993) was an American NASCAR driver. He was best known for driving the No. 28 Texaco-Havoline Ford for Robert Yates Racing in the NASCAR Cup Series. Born in Hollywood, Florida, he was th ...
nearly won in 1992,
Dale Jarrett Dale Arnold Jarrett (born November 26, 1956) is a former American race car driver and current commentator for NBC. He is best known for winning the Daytona 500 three times (in 1993, 1996, and 2000) and winning the NASCAR Winston Cup Series champio ...
nearly won in 1996, and
Jeff Gordon Jeffery Michael Gordon (born August 4, 1971) is an American former professional stock car racing driver, who is the Vice Chairman for Hendrick Motorsports. He raced full-time from 1993 to 2015, driving the No. 24 Chevrolet for Hendrick M ...
won in 1997. The Winston Million was replaced with a similar program, the Winston No Bull Five, in 1998. This program awarded one million dollars to any driver who won a prestigious race after finishing in the top five of the most previous prestigious race. The series underwent a large boom in popularity in the 1990s. In 1994, NASCAR held the first
Brickyard 400 The Brickyard 400 was an annual NASCAR Cup Series points race held at Indianapolis Motor Speedway in Speedway, Indiana. The inaugural race was held in 1994 and was the first race other than the Indianapolis 500 to be held at the Indianapolis Moto ...
at
Indianapolis Motor Speedway The Indianapolis Motor Speedway is an automobile racing circuit located in Speedway, Indiana, an enclave suburb of Indianapolis, Indiana. It is the home of the Indianapolis 500 and the Verizon 200, and and formerly the home of the United State ...
. Between 1997 and 1998, the winner's prize money for the Daytona 500 tripled. This coincided with a decline of popularity in
American Championship Car Racing American open-wheel car racing, also known as Indy car racing, is a category of professional automobile racing in the United States. As of 2022, the top-level American open-wheel racing championship is sanctioned by IndyCar. Competitive events ...
. In 1999, NASCAR made a new agreement with
Fox Broadcasting The Fox Broadcasting Company, commonly known simply as Fox and stylized in all caps as FOX, is an American commercial broadcast television network owned by Fox Corporation and headquartered in New York City, with master control operations and ...
,
Turner Broadcasting Turner Broadcasting System, Inc. (alternatively known as Turner Entertainment Networks from 2019 until 2022) was an American television and media conglomerate. Founded by Ted Turner and based in Atlanta, Georgia, it merged with Time Warner (lat ...
, and
NBC The National Broadcasting Company (NBC) is an Television in the United States, American English-language Commercial broadcasting, commercial television network, broadcast television and radio network. The flagship property of the NBC Enterta ...
. The contract, signed for eight years for Fox and six years for NBC and Turner, was valued at $2.4 billion. In 2001,
Pixar Pixar Animation Studios (commonly known as Pixar () and stylized as P I X A R) is an American computer animation studio known for its critically and commercially successful computer animated feature films. It is based in Emeryville, Californi ...
visited NASCAR tracks as research for the 2006
animated film Animation is a method by which image, still figures are manipulated to appear as Motion picture, moving images. In traditional animation, images are drawn or painted by hand on transparent cel, celluloid sheets to be photographed and exhibited ...
''
Cars A car or automobile is a motor vehicle with wheels. Most definitions of ''cars'' say that they run primarily on roads, seat one to eight people, have four wheels, and mainly transport people instead of goods. The year 1886 is regarded as t ...
'', which included the voices of NASCAR drivers
Richard Petty Richard Lee Petty (born July 2, 1937), nicknamed "The King", is an American former stock car racing driver who raced from 1958 to 1992 in the former NASCAR Grand National and Winston Cup Series (now called the NASCAR Cup Series), most notabl ...
and
Dale Earnhardt Jr. Ralph Dale Earnhardt Jr. (born October 10, 1974) is an American semi-retired professional stock car racing driver, team owner, author, and an analyst for ''NASCAR on NBC''. He currently competes part-time in the NASCAR Xfinity Series, driving t ...
To avoid advertising tobacco in a Disney film, "Piston Cup" served as Pixar's allusion to the Winston Cup (however, by the time the film come out, Nextel had replaced Winston as the series title sponsor).


Nextel and Sprint

During the 2002 season, R.J. Reynolds notified NASCAR leadership that they would terminate their title sponsorship prematurely at the conclusion of the 2003 season. NASCAR negotiated a contract with
Nextel Nextel Communications, Inc. was an American wireless service operator that merged with and ceased to exist as a subsidiary of Sprint Corporation, which would later be bought by T-Mobile, T-Mobile US and folded into that company. Nextel in Brazil, ...
, a telecommunications company to replace Winston, and in 2004 the series became known as the Nextel Cup Series. The 2006 merger between Sprint and Nextel resulted in the Cup Series being renamed the Sprint Cup, beginning with the 2008 season. The
Sprint Cup trophy Sprint may refer to: Aerospace *Spring WS202 Sprint, a Canadian aircraft design *Sprint (missile), an anti-ballistic missile Automotive and motorcycle *Alfa Romeo Sprint, automobile produced by Alfa Romeo between 1976 and 1989 *Chevrolet Sprint, ...
was designed by Tiffany & Co. and is silver, with a pair of checkered flags in flight.Racingone.com
"Nextel Cup Unveiled" Retrieved 8–4–08
By 2009, the popularity boom of the 1990s had ended, and television ratings over the previous ten years had become more or less stagnant. Some long-time fans have criticized the series for losing its traditional appeal because of abandoning venues in the
southeastern United States The Southeastern United States, also referred to as the American Southeast or simply the Southeast, is a geographical region of the United States. It is located broadly on the eastern portion of the southern United States and the southern por ...
in favor of newer markets. They have also voiced discontent over
Toyota is a Japanese multinational automotive manufacturer headquartered in Toyota City, Aichi, Japan. It was founded by Kiichiro Toyoda and incorporated on . Toyota is one of the largest automobile manufacturers in the world, producing about 10 ...
's presence in the series. Japanese telecommunications corporation
SoftBank is a Japanese multinational conglomerate holding company headquartered in Minato, Tokyo which focuses on investment management. The Group primarily invests in companies operating in technology, energy, and financial sectors. It also runs the ...
acquired Sprint in July 2013. While NASCAR was suspicious of diversity promotion and aware of the negative implications of the
redneck ''Redneck'' is a derogatory term chiefly, but not exclusively, applied to white Americans perceived to be crass and unsophisticated, closely associated with rural whites of the Southern United States.Harold Wentworth, and Stuart Berg Flexner, '' ...
image, it also recognized the opportunities to expand the sport. NASCAR's
CEO A chief executive officer (CEO), also known as a central executive officer (CEO), chief administrator officer (CAO) or just chief executive (CE), is one of a number of corporate executives charged with the management of an organization especially ...
Brian France has become a prime target for criticism among fans during his tenure from 2003 to 2018. In 2016, NASCAR announced the creation of a
charter A charter is the grant of authority or rights, stating that the granter formally recognizes the prerogative of the recipient to exercise the rights specified. It is implicit that the granter retains superiority (or sovereignty), and that the rec ...
system (in association with the Race Team Alliance, formed in 2014), which would guarantee 36 teams' entry to all 36 races. Eligibility for a charter would depend on a team's attempts to qualify for every race within the previous three seasons. In conjunction with this rule, NASCAR also reduced the size of the Cup field to 40 cars.


Chase for the Cup

Along with the change in title sponsorship for the series, the 2004 season also introduced a new system for determining the series champion, influenced by the system used in the
USAR Hooters Pro Cup Series The CARS Solid Rock Carriers Tour (formerly known as the USARacing Pro Cup Series, USAR Hooters Pro Cup Series, CARS Pro Cup Series, Rev-Oil Pro Cup Series, CARS X1-R Pro Cup Series) is a stock car auto racing series in the United States. It is s ...
. Originally known as the ''Chase for the Nextel Cup'' (or simply ''"The Chase"'', and later changed to Sprint branding), the ten highest-scoring drivers and teams (plus ties) in the first 26 races of the season became eligible to win the championship by competing in a playoff held within the final ten races. This number was increased to 12 teams in 2007. The Chase participants had their points increased to a level mathematically unattainable by anyone outside this field (roughly 1,800 points ahead of the first driver outside the Chase). From the inaugural Chase in 2004 to the 2006 Chase, the drivers were seeded based on points position at the end of the regular season, with first place starting with 5,050 points and tenth place starting with 5,005. From 2007 to 2010, the points totals of each driver who made the Chase were reset to 5,000 points, plus ten additional points for each race victory during the first 26 races. Points would still be awarded as usual during the affected races. The driver leading in points after the 36th race would be declared the champion. As part of a major change in the points system that took effect in 2011, the qualifying criteria and the points reset were changed as well. From 2011 to 2013, the ten drivers with the most points automatically qualified for the Chase. They were joined by two "wild card" qualifiers, specifically, the two drivers with the most race wins who were ranked between 11th and 20th in drivers' points. Their base point totals were then reset to 2,000 points, a level more than 1,000 points higher than that of the first driver outside the Chase. (Under the new point system, a race winner can earn a maximum of 48 points, as opposed to 195 in the pre-2011 system.) The ten automatic qualifiers received a bonus of three points for each win during the regular season, while the two wild card qualifiers received no such bonus. As in the past, the race layouts for the remaining ten races were the same, with no changes to the scoring system. On November 20, 2011,
Tony Stewart Anthony Wayne Stewart (born May 20, 1971), nicknamed Smoke, is an American semi-retired professional stock car racing driver, current NASCAR team co-owner of Stewart-Haas Racing, and current co-owner of the Superstar Racing Experience. He is a ...
and Carl Edwards ended the season in a first-ever points tie. Stewart's five season wins (all in the Chase) over Edwards' one win (in the third race of the season) gave Stewart the tie-breaker. Hence he was named the winner of the 2011 NASCAR Cup Series Championship. For 2014, NASCAR announced wide-ranging changes to the Chase format: * The group of drivers in the Chase officially became the ''NASCAR Sprint Cup Chase Grid''. * The number of drivers qualifying for the Chase Grid ranges from 12 to 16. * Fifteen of the 16 spots in the Chase Grid are reserved for the drivers with the most race wins over the first 26 races. The remaining spot is reserved for the points leader after 26 races, but only if that driver does not have a victory. If fewer than 16 drivers have wins in the first 26 races, the remaining Chase Grid spots are filled by winless drivers in order of points earned due that season. All drivers on the Chase Grid continue to have their driver points reset to 2,000 before the Chase, with a three-point bonus for each win in the first 26 races. * The Chase is now divided into four rounds. After each of the first three rounds, the four Chase Grid drivers with the fewest points for the season are eliminated from the Grid and from Championship contention. Any driver on the Grid who wins a race in the first three rounds automatically advances to the next round. All drivers eliminated from the Chase have their points readjusted back to the points they started with at the beginning of the Round of 16, (race 27) plus any points earned after, using the regular season points scheme only (no Round of 12, or Round of Eight reset points). In 2016, the Chase for the Championship, formerly known as the Challenger, Contender, and Eliminator round, were changed to a Round of 16, Round of 12, and Round of 8. ** Round of 16 (Races 27–29) *** Begins with 16 drivers, each with 2,000 points, plus a 3-point bonus for each win in the first 26 races ** Round of 12 (Races 30–32) *** Begins with 12 drivers, each with 3,000 points ** Round of Eight (Races 33–35) *** Begins with eight drivers, each with 4,000 points ** Championship Four (final race) *** The last four drivers in contention for the season title start the race with 5,000 points, with the highest finisher in the race winning the Cup Series title. No bonus points are awarded for laps led or most laps led for these four drivers. If one of the Championship Four drivers wins the race, the maximum points they can get is 40. To encourage continued competition among all drivers, a number of awards are given to drivers finishing outside the Chase. The highest finishing non-Chase driver (13th place at the end of the season from 2007 to 2013 and potentially anywhere from fifth to 17th place starting in 2014) is awarded a bonus of approximately one million dollars and was originally given a position on stage at the post-season awards banquet. The awards banquet now focuses solely on the Chase, with all of the series' sponsored and contingency awards moved to a luncheon at Cipriani the day before the banquet. This playoff system was implemented primarily to make the points race more competitive late in the season, and indirectly, to increase television ratings during the
NFL The National Football League (NFL) is a professional American football league that consists of 32 teams, divided equally between the American Football Conference (AFC) and the National Football Conference (NFC). The NFL is one of the major ...
season, which starts around the same time as the Chase begins. The Chase also forces teams to perform at their best during all three stages of the season, the first half of the regular season, the second half of the regular season, and the Chase. Previously, the champion could have been determined before the last race, or even several races before the end of the season, because it was mathematically impossible for any other driver to gain enough points to overtake the leader.


Monster Energy

The title sponsorship with Sprint ended after the 2016 season. On December 1, 2016, NASCAR announced it had reached an agreement with
Monster Energy Monster Energy is an energy drink that was created by Hansen Natural Company (now Monster Beverage Corporation) in April 2002. As of March 2019, Monster Energy had a 35% share of the energy drink market, the second highest share after Red Bull ...
to become the new sponsor of NASCAR's premier series. On December 19, 2016, NASCAR announced the new name for the series, Monster Energy NASCAR Cup Series as well as the new series logo and new NASCAR logo. On April 11, 2018, Monster Energy announced an extension of their sponsorship of the series through the end of the 2019 season. In 2017, stage racing was introduced. Races were broken up into three stages, four in the case of the NASCAR Cup Series' longest race, the Coca-Cola 600. A stage consists of normal green flag racing followed by a stoppage on a designated lap signified by the waving of a green and white checkered flag, then a yellow flag. The top-10 finishers in each of the first two stages are awarded bonus championship points, 10 points to the winner, 9 points for the 2nd place car, down to 1 point for the 10th place car. The points earned are added to a driver/owner's regular season points total, while the winner of the stage receives an additional point that is added to their point total, after the reset, if they get into the NASCAR playoffs. The stage lengths vary by track, but the first two stages usually combine to equal about half of the race. The final stage (which still pays out championship points to all drivers) usually equals the other half. Also, a regular season points championship is awarded to the driver who scored the most points in the first 26 races (regular season). This championship does not award any bonus points to the winning driver. Otherwise, the points system and playoff format remained the same. The MENCS trophy was in the form of a chalice that stood at three feet tall and weighed 68 lbs. Made of machined aluminum and taking over 300 hours of craftsmanship, the trophy's exterior was decorated with the outlines of all 23 NASCAR Cup Series tracks. The cup portion was said to hold approximately 600 ounces of liquids, or 37 cans of Monster Energy.


NASCAR Cup Series

Beginning with the 2020 season NASCAR's top level of competition became known as the NASCAR Cup Series. As part of a tiered sponsorship model, Busch Beer,
Coca-Cola Coca-Cola, or Coke, is a carbonated soft drink manufactured by the Coca-Cola Company. Originally marketed as a temperance drink and intended as a patent medicine, it was invented in the late 19th century by John Stith Pemberton in Atlanta ...
,
GEICO The Government Employees Insurance Company (GEICO ) is a private American auto insurance company with headquarters in Chevy Chase, Maryland. It is the second largest auto insurer in the United States, after State Farm. GEICO is a wholly owne ...
, and
Xfinity Comcast Cable Communications, LLC, doing business as Xfinity, is an American telecommunications company and division of Comcast Corporation used to market consumer cable television, internet, telephone, and wireless services provided by the com ...
became the Premier Partners of the series, with Coca-Cola also assuming naming rights of the regular season trophy. The MENCS trophy design was retained under the new series name, though it was renamed the Bill France Cup.


Drivers' Championship

The NASCAR Cup Series Drivers' Championship is awarded by the Chairman of NASCAR to the most successful Cup Series driver over a season, as determined by a points system based on race results and victories. First awarded in 1949 to
Red Byron Robert Nold "Red" Byron (March 12, 1915 – November 11, 1960) was an American stock car racing driver, who was successful in NASCAR competition in the sanctioning body's first years. He was NASCAR's first Modified champion (and its first c ...
, 32 different drivers have won the Championship. The first driver to win multiple Championships was Herb Thomas in 1951 and 1953, while the record for the most Championships, seven, is shared by
Richard Petty Richard Lee Petty (born July 2, 1937), nicknamed "The King", is an American former stock car racing driver who raced from 1958 to 1992 in the former NASCAR Grand National and Winston Cup Series (now called the NASCAR Cup Series), most notabl ...
,
Dale Earnhardt Ralph Dale Earnhardt Sr. (; April 29, 1951February 18, 2001) was an American professional stock car driver and team owner, who raced from 1975 to 2001 in the former NASCAR Winston Cup Series (now called the NASCAR Cup Series), most notably dri ...
and
Jimmie Johnson Jimmie Kenneth Johnson (born September 17, 1975) is an American professional auto racing driver. A seven-time NASCAR Cup Series champion, he competes part-time in the series driving for Petty GMS Motorsports. Johnson's seven Cup championships, ...
. Johnson has the record for most consecutive Championships; he won five Championships from
2006 File:2006 Events Collage V1.png, From top left, clockwise: The 2006 Winter Olympics open in Turin; Twitter is founded and launched by Jack Dorsey; The Nintendo Wii is released; Montenegro 2006 Montenegrin independence referendum, votes to declare ...
to
2010 File:2010 Events Collage New.png, From top left, clockwise: The 2010 Chile earthquake was one of the strongest recorded in history; The Eruption of Eyjafjallajökull in Iceland disrupts air travel in Europe; A scene from the opening ceremony of ...
. So far every Champion has originated from the United States.


Owners' Championship

The Cup Series Owner's Championship operates in the same manner as the Driver's Championship, except that points are awarded to each individual car. If an owner enters more than one car, each car is viewed and scored as a separate entity. The points in the Owners Championship is identical to the Drivers' list, with one minor exception: Drivers who are not eligible to earn points toward the Drivers' title can still earn points toward the Owners' Championship. An example of this occurred in the first race under the current points system, the
2011 Daytona 500 The 2011 Daytona 500, the 53rd running of the event, was held on February 20, 2011 at Daytona International Speedway in Daytona Beach, Florida as the first race of the 2011 NASCAR Sprint Cup season. Trevor Bayne, driving for Wood Bro ...
. Under another rule newly implemented for the 2011 season, drivers are only allowed to earn drivers' points in one of NASCAR's three national series. Trevor Bayne, who won the race, did not earn any drivers' points because he chose to run for the Nationwide Series championship. However, he earned 47 owner's points for Wood Brothers Racing (43 base points, three bonus points for the win, and one bonus point for leading a lap). Before a major change to the points system was implemented in 2011, there was a slightly different addition to the system of allocating owner's points. If more than 43 cars attempted to qualify for a race, owner's points were awarded to each car in the following manner: the fastest non-qualifier (in essence, 44th position) received 31 points, three points fewer than the car in the 43rd position. If more than one car did not qualify, owners' points continued to be assigned in the manner described, decreasing by three for each position. Under the post-2010 point system, only cars that actually start in a given race earn owner's points. There is a separate "Chase for the Championship" for the owners' points. A 2005 rule change in NASCAR's three national series, revoked from 2013 onward, affects how the owner's points are used. Through the 2012 season, the top 35 (NASCAR Cup Series) or top 30 (other series) full-time teams in owner points are awarded exemptions for the next race, guaranteeing them a position in that race. These points determine who is in and who is out of the next race and have become crucial since the exemption rule was changed to its current format. At the end of each season, the top 35 contenders in owner's points are also locked into the first five races of the next season. Beginning in 2013, the rules reverted to a system more similar to the pre-2005 rules. In the NASCAR Cup Series, the first 36 places in the field are determined strictly by qualifying speed. The next six places are awarded on owner points, with the final place reserved for a past Series Champion. If the final exemption is not used because all past Champions are already in the field, it will pass to another car based on the number of owner points. In some circumstances, a team's owners' points will differ from the corresponding driver's points. In 2005, after owner
Jack Roush Jack Roush (born Jackson Earnest Roush on April 19, 1942) is the founder, CEO, and co-owner of Roush Fenway Keselowski Racing, a NASCAR team headquartered in Concord, North Carolina, and is chairman of Roush Enterprises. Roush Enterprises is the ...
fired
Kurt Busch Kurt Thomas Busch (born August 4, 1978) is an American professional auto racing driver. He last competed full-time in the NASCAR Cup Series, driving the No. 45 Toyota Camry TRD for 23XI Racing. He is the 2004 NASCAR Cup Series champion and the ...
during the next-to-last race weekend of the season, the No. 97 team finished in eighth place in owner's points, while Busch ended up tenth in driver's points. In 2002, when Sterling Marlin was injured, the No. 40 team finished eighth in owner's points, while Marlin was 18th in driver's points, because of substitute drivers Jamie McMurray and
Mike Bliss Michael Duane Bliss (born April 5, 1965) is an American professional stock car racing driver. A journeyman NASCAR competitor and the 2002 NASCAR Craftsman Truck Series champion, he has run in all three national series. Racing career Bliss began ...
, who continued to earn owner points for the No. 40. Another example was in the aforementioned 2011 Daytona 500.


Manufacturers' Championship

A Manufacturer's Championship is awarded each year, although the Driver's Championship is considered more prestigious. In the past, manufacturer's championships were prestigious because of the number of manufacturers involved, and the manufacturer's championship was a major marketing tool. In the Xfinity Series, the championship is known as the Bill France Performance Cup. Up to the 2013 season, points were scored in a 1960–1990 Formula One system, with the winner's manufacturer scoring nine points, six for the next manufacturer, four for the manufacturer third among makes, three for the fourth, two for the fifth, and one point for the sixth positioned manufacturer. This meant that if Chevrolets placed first through tenth in a given race and a Ford was 11th and a Dodge 12th, Chevrolet earned 9 points, Ford 6 and Dodge 4. Starting in 2014, NASCAR changed the system to mimic the Owner's Championship. Under this system, each manufacturer's best finishing representative effectively earned them the same number of points as that team earned, including any bonus points from leading a lap or winning the event.


Representation

In NASCAR's earliest years, there was a diverse array of machinery, with little support from the car companies themselves, but by the mid-1960s, participation was exclusively American manufacturers with factory support. Chrysler, Ford and General Motors were the primary, if not only, competitors for much of NASCAR's history. Plymouth, while somewhat successful in the 1960s with the Hemi, never won a Manufacturers Championship until Ford pulled out of racing in the early 1970s. GM was still using four different brands in NASCAR in 1991, but within three years, Buick and Oldsmobile were gone. Pontiac survived until 2004, leaving only Chevrolet. 2007 saw the first new brand since 1971, when Japanese manufacturer Toyota joined. Chrysler's Dodge brand returned after a 15-year hiatus in 2001, but departed after 2012, leaving just Chevrolet, Ford and Toyota. Chevrolet has been the most successful manufacturer as of 2022, with 833 race wins and 41 manufacturers championships. Ford ranks second with 720 victories and 17 manufacturers championships. Dodge is third in wins with 217 and two manufacturers championships (albeit no longer in NASCAR), Plymouth fourth with 191 with one manufacturer championship (albeit no longer in NASCAR), Toyota fifth with 170 wins and three manufacturers championships, and Pontiac sixth with 154 and one manufacturer championship (albeit no longer in NASCAR).


Cup cars

Cup Series cars (often called "Cup cars") adhere to a front engine rear-wheel-drive design. A roll cage serves as a
space frame In architecture and structural engineering, a space frame or space structure ( 3D truss) is a rigid, lightweight, truss-like structure constructed from interlocking struts in a geometric pattern. Space frames can be used to span large areas with ...
chassis A chassis (, ; plural ''chassis'' from French châssis ) is the load-bearing framework of an artificial object, which structurally supports the object in its construction and function. An example of a chassis is a vehicle frame, the underpart ...
and is covered by a 24-gauge
sheet metal Sheet metal is metal formed into thin, flat pieces, usually by an industrial process. Sheet metal is one of the fundamental forms used in metalworking, and it can be cut and bent into a variety of shapes. Thicknesses can vary significantly; ex ...
body. They have a closed cockpit, fenders, a rear spoiler, and an aerodynamic splitter. Fielding a car for one season usually costs $10–20 million. Each team may build its own cars and engines (per NASCAR's specifications) or purchase cars and engines from other teams. The cars are powered by EFI V8 engines since 2012 after 62 years using carburetion as engine fuel feed with compacted graphite iron blocks and pushrod
valvetrain A valvetrain or valve train is a mechanical system that controls the operation of the intake and exhaust valves in an internal combustion engine. The intake valves control the flow of air/fuel mixture (or air alone for direct-injected engines) ...
s actuating two-valves per cylinder, and are limited to 358 cubic inches' (about 5.8 liters)
displacement Displacement may refer to: Physical sciences Mathematics and Physics *Displacement (geometry), is the difference between the final and initial position of a point trajectory (for instance, the center of mass of a moving object). The actual path ...
. However, modern technology has allowed power outputs near or over in unrestricted form; while retaining the same basic engine design. In fact, before NASCAR instituted the gear rule, Cup engines were capable of operating more than 10,000 rpm. A NASCAR Cup Series engine with the maximum
bore Bore or Bores often refer to: *Boredom * Drill Relating to holes * Boring (manufacturing), a machining process that enlarges a hole ** Bore (engine), the diameter of a cylinder in a piston engine or a steam locomotive ** Bore (wind instruments), ...
of and
stroke A stroke is a medical condition in which poor blood flow to the brain causes cell death. There are two main types of stroke: ischemic, due to lack of blood flow, and hemorrhagic, due to bleeding. Both cause parts of the brain to stop functionin ...
of at 9,000 rpm has a mean piston speed of 80.44 fps (24.75 m/s). Contemporary Cup engines run 9,800 rpm, 87.59 fps (26.95 m/s), at the road course events, on
Pocono Raceway Pocono Raceway (formerly Pocono International Raceway), also known as ''The Tricky Triangle'', is a superspeedway located in the Pocono Mountains in Long Pond, Pennsylvania. It is the site of three NASCAR national series races and an ARCA M ...
's long front stretch, and at
Martinsville Speedway Martinsville Speedway is a NASCAR-owned stock car racing short track in Ridgeway, Virginia, just south of Martinsville. At in length, it is the shortest track in the NASCAR Cup Series. The track was also one of the first paved oval tracks in s ...
(a .526-mile short-track). At the backbone 1.5- to 2.0-mile tri-oval tracks of NASCAR, the engines produce well over 850 hp running 9,200–9,400 rpm for 500 miles, 600 mi for the Coca-Cola 600 Charlotte race. The current NASCAR Cup engines curb weight is roughly at . The front suspension is a double wishbone design, while the rear suspension was previously a two-link
live axle A beam axle, rigid axle or solid axle is a dependent suspension design in which a set of wheels is connected laterally by a single beam or shaft. Beam axles were once commonly used at the rear wheels of a vehicle, but historically they have als ...
design utilizing trailing arms until the 2022 debut of the NASCAR Next Gen Car at the Busch Lite Clash at the Coliseum, which featured the debut of the cars in their first competition and feature fully independent front and rear suspensions with double wishbones and adjustable inboard shocks. Brake rotors must be made of magnetic cast iron or steel and may not exceed 12.72 inches (32.3 centimeters) in diameter. The only aerodynamic components on the vehicles are the front splitter,
spoiler Spoiler is a security vulnerability on modern computer central processing units that use speculative execution. It exploits side-effects of speculative execution to improve the efficiency of Rowhammer and other related memory and cache attacks. Ac ...
, NACA ducts in the windows only, and side skirts. While the use of rear diffusers, vortex generators,
canard Canard is French for duck, a type of aquatic bird. Canard may also refer to: Aviation *Canard (aeronautics), a small wing in front of an aircraft's main wing * Aviafiber Canard 2FL, a single seat recreational aircraft of canard design * Blé ...
s, wheel well vents, hood vents, and undertrays was strictly prohibited into the Gen 6 era, the now-current Next Gen car features a rear diffuser similar to the diffusers used in NASCAR sister organization IMSA's GT Daytona class. While the cars may reach speeds of about on certain tracks, Russ Wicks drove a modified
Dodge Charger The Dodge Charger is a model of automobile marketed by Dodge in various forms over seven generations since 1966. The first Charger was a show car in 1964. A 1965 Charger II concept car resembled the 1966 production version. The Charger has ...
stock car, built to NASCAR's specifications, during a speed record attempt at the Bonneville Salt Flats in October 2007. NASCAR Cup Series engines carry a Freescale-provided electronic control unit, but
traction control A traction control system (TCS), also known as ASR (from german: Antriebsschlupfregelung, lit=drive slippage regulation), is typically (but not necessarily) a secondary function of the electronic stability control (ESC) on production motor vehicle ...
and anti-lock brakes are prohibited. Live
telemetry Telemetry is the in situ data collection, collection of measurements or other data at remote points and their automatic data transmission, transmission to receiving equipment (telecommunication) for monitoring. The word is derived from the Gr ...
is used only for television broadcasts, but the data can be recorded from the ECU to the computer if the car is in the garage and not on the track. Cup cars are required to have at least one working windshield wiper installed on the car for the road courses ( Sonoma, Watkins Glen, Circuit of the Americas, and the road course layout at the
Charlotte Motor Speedway Charlotte Motor Speedway (previously known as Lowe's Motor Speedway from 1999 to 2009) is a motorsport complex located in Concord, North Carolina, outside Charlotte. The complex features a quad oval track that hosts NASCAR racing including th ...
and
Indianapolis Motor Speedway The Indianapolis Motor Speedway is an automobile racing circuit located in Speedway, Indiana, an enclave suburb of Indianapolis, Indiana. It is the home of the Indianapolis 500 and the Verizon 200, and and formerly the home of the United State ...
, as well at Daytona in 2021) as part of the road racing rules package.


Evolution of Cup cars


Generation 1 (1948–1964)

When the series was formed under the name ''strictly stock'', the cars were just that: production vehicles with no modifications allowed. The term '' stock car'' implied that the vehicles racing were unmodified street cars. Drivers would race with factory installed bench seats and AM radios still in the cars. To prevent broken glass from getting on the race track, windows would be rolled down, external lights would be removed or taped over, and side-view mirrors would be removed. The 1957 fuel injected 150 model Chevrolet (known as "the black widow") was the first car to be outlawed by NASCAR. The 1957 Chevrolet won the most races, with 59 wins, more than any car to ever race in the cup series. Before the mid-1960s, cars were typically based on full sized cars such as the Chevrolet Bel Air and
Ford Galaxie The Ford Galaxie is a full-sized car that was built in the United States by Ford for model years 1959 through to 1974. The name was used for the top models in Ford's full-size range from 1958 until 1961, in a marketing attempt to appeal to the e ...
.


Generation 2 (1965–1980)

In 1965, modified chassis came to the sport.
Mid-size car Mid-size—also known as intermediate—is a vehicle size class which originated in the United States and is used for cars larger than compact cars and smaller than full-size cars. "Large family car" is a UK term and a part of the D-segment in t ...
s including the Ford Fairlane and
Plymouth Belvedere Plymouth Belvedere is a series of American automobile models made by Plymouth from 1954 until 1970. The Belvedere name was first used for a new hardtop body style in the Plymouth Cranbrook line for the 1951 model year. In 1954 the Belvedere re ...
were adopted and soon became the norm. NASCAR once enforced a
homologation Homologation (Greek ''homologeo'', ὁμολογέω, "to agree") is the granting of approval by an official authority. This may be a court of law, a government department, or an academic or professional body, any of which would normally work fr ...
rule that at various times stated that at least 500 cars had to be produced, or as many as one car for every make's dealership in the nation had to be sold to the general public to allow it to be raced. Eventually, cars were made expressly for NASCAR competition, including the Ford Torino Talladega, which had a rounded nose, and the Dodge Charger Daytona and Plymouth Superbird which had a rear wing raised above roof level and a shark shaped nose-cap which enabled race speeds of exactly 200 mph. The Ford-based Mercury Spoiler powered by a Ford Boss 429 engine was timed at 199.6 mph. Beginning in 1971, NASCAR rewrote the rules to effectively force the Ford and Chrysler specialty cars (nicknamed the Aero Warriors) out of competition by limiting them to 305ci (5.0L). The cars affected by this rule include the Ford Talladega, Mercury Spoiler II, Dodge Charger 500, Dodge Charger Daytona and the Plymouth Superbird. This rule was so effective in limiting performance that only one car that season ever attempted to run in this configuration. Beginning in August 1970, NASCAR handicapped engines over 366 cubic inches (6.0 liters) with a restrictor plate. NASCAR phased in a rule to lower the maximum engine displacement from 430 cubic inches (7.0 liters) to 366 cubic inches (6.0 liters). IN 1974, maximum engine displacement was increased from 430 cubic inches to 433 cubic inches. In 1975, NASCAR reduced the maximum small block engine displacement displacement from 366 cubic inches (6.0 liters) to its present 358 cubic inches (5.9 liters). The transition was not complete until 1977 and coincided with American manufacturers ending factory support of racing and the
1973 oil crisis The 1973 oil crisis or first oil crisis began in October 1973 when the members of the Organization of Arab Petroleum Exporting Countries (OAPEC), led by Saudi Arabia, proclaimed an oil embargo. The embargo was targeted at nations that had supp ...
.


Generation 3 (1981–1991)

The downsizing of American cars in the late 1970s presented a challenge for NASCAR. Rules mandated a minimum wheelbase of , but after 1979, none of the models approved for competition met the standard, as mid-sized cars now typically had wheelbases between 105 and 112 inches. After retaining the older models (1977 for the GM makes, and 1979 for Ford and Dodge) through 1980, for the 1981 season the wheelbase requirement was reduced to , which the newer model cars could be stretched to meet without affecting their appearance. The Buick Regal with its swept-back "shovel" nose initially dominated competition, followed by the rounded, aerodynamic 1983 Ford Thunderbird. The Chevrolet Monte Carlo and
Pontiac Grand Prix The Grand Prix is a line of automobiles produced by the Pontiac Division of General Motors from 1962 until 2002 for coupes and 1989–2008 for sedans. First introduced as a full-size performance coupe for the 1962 model year, the model varied ...
adopted bubble back windows to stay competitive. Amid its financial woes, and after dropping its poor performing (both on the race track and for consumer sales)
Dodge Mirada The Dodge Mirada is a mid-sized, rear-wheel drive coupe manufactured and marketed by Dodge for the model years 1980 to 1983, sharing the Chrysler J platform along with its badge engineered variants, the second generation Chrysler Cordoba and the ...
and
Chrysler Cordoba The Chrysler Cordoba is a full-sized luxury car based on the Chrysler Newport that was marketed during the 1970 model year only and two generations as an intermediate-sized two-door personal luxury model manufactured by Chrysler in North Americ ...
in 1983,
Chrysler Corporation Stellantis North America (officially FCA US and formerly Chrysler ()) is one of the " Big Three" automobile manufacturers in the United States, headquartered in Auburn Hills, Michigan. It is the American subsidiary of the multinational automoti ...
left NASCAR entirely at the end of the 1985 season.
1987 File:1987 Events Collage.png, From top left, clockwise: The MS Herald of Free Enterprise capsizes after leaving the Port of Zeebrugge in Belgium, killing 193; Northwest Airlines Flight 255 crashes after takeoff from Detroit Metropolitan Airport, k ...
marked a milestone for NASCAR Cup Series cars. During Winston 500 qualifying,
Bill Elliott William Clyde Elliott (born October 8, 1955), also known as Awesome Bill from Dawsonville, Million Dollar Bill, or Wild Bill is an American former professional stock car racing driver. He competes full time in the Camping World Superstar Racing ...
established a world stock-car record when he posted a speed of . Then the unfortunate happened; during the 22nd lap of the race, driver Bobby Allison suffered a flat tire in the middle of
Talladega Superspeedway Talladega Superspeedway, nicknamed “'Dega”, and formerly named Alabama International Motor Speedway (AIMS) from 1969 to 1989, is a motorsports complex located north of Talladega, Alabama. It is located on the former Anniston Air Force Base ...
's
tri-oval A tri-oval is a shape which derives its name from the two other shapes it most resembles, a triangle and an oval. Rather than meeting at sharp, definable angles as the sides of a triangle do, in a tri-oval these angles are instead rounded into sm ...
. Allison's car hit the
catch fence The following is a glossary of terminology used in motorsport, along with explanations of their meanings. 0–9 ;1–2 finish: When two vehicles from the same team finish first and second in a race. Can be extended to 1–2–3 or 1–2–3– ...
and tore a hole in the fence approximately long. Several spectators were injured in the accident, including one woman who lost an eye. In the aftermath of the crash, NASCAR mandated the use of a restrictor plate at Talladega Superspeedway and
Daytona International Speedway Daytona International Speedway is a race track in Daytona Beach, Florida, United States. Since opening in 1959, it has been the home of the Daytona 500, the most prestigious race in NASCAR as well as its season opening event. In addition to NA ...
to reduce speeds. By 1989, GM had switched its mid-sized models to V6 engines and front-wheel-drive, but the NASCAR racers only kept the body shape, with the old V8 rear-wheel-drive running gear, rendering obsolete the "stock" nature of the cars.


Generation 4 (1992–2007)

1992 marked the beginning of the generation that stripped all semblance of "stock" from "stock car racing," the Generation 4 car. Stock body panels were removed from the sport, and steel bumpers were replaced by fiberglass to reduce weight. In 1994, roof flaps were added to all cars after Rusty Wallace's two infamous airborne crashes in 1993. In 1995, the newly designed Chevrolet Monte Carlo returned to the sport, which started the trend of rounder body shapes. When the Ford Thunderbird was retired after 1997, without Ford having any two-door intermediate bodies, the four-door Ford Taurus body was used (although NASCAR racers actually have no opening doors). While the manufacturers and models of automobiles used in racing were named for production cars ( Dodge Charger R/T, Chevrolet Impala SS, Toyota Camry, and the Ford Fusion), the similarities between NASCAR Cup Series cars and actual production cars were limited to a small amount of shaping and painting of the nose, headlight and tail light
decal A decal (, , ) or transfer is a plastic, cloth, paper, or ceramic substrate that has printed on it a pattern or image that can be moved to another surface upon contact, usually with the aid of heat or water. The word is short for ''decalcom ...
s, and grill areas. Until 1998, the hood, roof, and decklid were still required to be identical to their stock counterparts. This was eliminated when NASCAR allowed significant modifications of the Ford Taurus decklid so the car would fit the required templates. It was in this time that NASCAR engaged in the practice of mandating rule changes during the season if one particular car model became overly dominant. This often led to claims that some teams would attempt
sandbagging Sandbagging, hiding the strength, skill or difficulty of something or someone early in an engagement, refer to: * in golf and other games, deliberately playing below one's actual ability in order to fool opponents into accepting higher stakes bet ...
to receive more favorable handicaps. Because of the notorious manner of the Ford Taurus race car and how the manufacturer turned the car into an "offset" car (the car was notoriously asymmetrical in race trim because of its oval shape), NASCAR ended this practice to put more emphasis on parity and based new body rules in 2003, similar to short track racing, where offset cars had become a burden for race officials, resulting in the "Approved Body Configuration" (also known as "common template") design.


Car of Tomorrow (2007–2012)

In 2007, NASCAR introduced a radically new vehicle specification known as the "Car of Tomorrow" (CoT). The CoT made its debut at Bristol Motor Speedway in March 2007. Initially, it was only used at 16 selected events.NASCAR.com
"Harvick pleased after testing Car of Tomorrow" Retrieved August 29, 2005
While NASCAR had originally planned to wait until the start of the 2009 season to use the CoT in every race, the date was changed to the start of the 2008 season. Many drivers still had complaints about the CoT, but this new timeline was intended to help teams save money by giving them only one car specification to work on. The design of the CoT has focused on cost control, parity, and driver safety. The car's width was increased by 4 inches (10 centimeters), the bumpers were re-designed to render bump and run tactics less effective, and the height of the car has increased by 2 inches (5 centimeters) to accommodate taller drivers and increase
aerodynamic drag In fluid dynamics, drag (sometimes called air resistance, a type of friction, or fluid resistance, another type of friction or fluid friction) is a force acting opposite to the relative motion of any object moving with respect to a surrounding fl ...
. The driver's seat was moved closer to the center of the car. The change most notable to fans was the addition of a rear wing replacing the familiar
spoiler Spoiler is a security vulnerability on modern computer central processing units that use speculative execution. It exploits side-effects of speculative execution to improve the efficiency of Rowhammer and other related memory and cache attacks. Ac ...
. The wings could be adjusted between 0 and 16 degrees and used with multiple configurations of end plates. The new rules eliminated the asymmetrical bodies on cars, which had run rampant since the 1998 Taurus launch (and intensified by the final years of the Generation 4 car). However, almost all advantages of using one car over another have been nullified. NASCAR requires all CoTs to conform to common body
templates Template may refer to: Tools * Die (manufacturing), used to cut or shape material * Mold, in a molding process * Stencil, a pattern or overlay used in graphic arts (drawing, painting, etc.) and sewing to replicate letters, shapes or designs Co ...
, regardless of make and model. The rear wing remained a controversial feature for a few years. Its appearance was often criticized, and it was accused of forcing cars to become airborne in high-speed spins such as the one experienced by Carl Edwards during the
2009 Aaron's 499 The 2009 Aaron's 499 was the ninth race of the 2009 NASCAR Sprint Cup Series, 2009 NASCAR Sprint Cup season. With a distance of , it was held on April 26, 2009 at the Talladega Superspeedway in Talladega, Alabama. NASCAR on Fox, Fox Sports broad ...
at
Talladega Superspeedway Talladega Superspeedway, nicknamed “'Dega”, and formerly named Alabama International Motor Speedway (AIMS) from 1969 to 1989, is a motorsports complex located north of Talladega, Alabama. It is located on the former Anniston Air Force Base ...
. In 2010 NASCAR decided to replace the wing with the original spoiler. The switch began with the
2010 Goody's Fast Pain Relief 500 The 2010 Goody's Fast Pain Relief 500 at Martinsville Speedway in Martinsville, Virginia was the sixth race of the 2010 NASCAR Sprint Cup Series season. It was scheduled to start at 1 p.m. EDT on March 28, 2010, but due to rain it ran on March 29 ...
at
Martinsville Speedway Martinsville Speedway is a NASCAR-owned stock car racing short track in Ridgeway, Virginia, just south of Martinsville. At in length, it is the shortest track in the NASCAR Cup Series. The track was also one of the first paved oval tracks in s ...
. In 2011, NASCAR altered the nose of the car once more, with the splitter being reduced in size and the braces being replaced by a solid front valence. A major engine change occurred in 2012 with NASCAR's introduction of
fuel injection Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of an injector. This article focuses on fuel injection in reciprocating piston and Wankel rotary engines. All comp ...
technology. Initially NASCAR indicated that it would transition to fuel injection midway through the 2011 season but decided before that season to put off the change until 2012.


Generation 6 car (2013–2021)

In 2013, manufacturers were given increased leeway for branding their NASCAR Cup Series cars, creating the Generation 6 race car. These changes were made so the cars would resemble their street counterparts more closely, as was done in the Xfinity Series in 2011. All NASCAR Cup Series cars began utilizing a digital dash sold by
McLaren McLaren Racing Limited is a British motor racing team based at the McLaren Technology Centre in Woking, Surrey, England. McLaren is best known as a Formula One constructor, the second oldest active team, and the second most successful Formul ...
in 2016. This dash includes sixteen customizable preset screens, allowing the driver to monitor all the previous info with several additional elements such as lap time and engine diagnostics, for a total of twenty-four data elements. Information can be displayed as a gauge, numeral, bar graph or LED. Having mostly competed with cars based on sedan models during the generation's life, the sales decline of sedans in American car market resulted in return of pony cars (and thus, coupe-based models) to the Cup Series as Chevrolet switched to the Chevrolet Camaro that season, followed by Ford switching to the
Ford Mustang The Ford Mustang is a series of American automobiles manufactured by Ford. In continuous production since 1964, the Mustang is currently the longest-produced Ford car nameplate. Currently in its sixth generation, it is the fifth-best selli ...
in 2019.


Next Gen (2022–present)

In 2022, NASCAR introduced an all new, seventh-generation car named the Next Gen. A further evolution of the Generation 6 car, the Next Gen will feature improved
aero Aero is a Greek prefix relating to flight and air. In British English, it is used as an adjective related to flight (e.g., as a shortened substitute for aeroplane). Aero, Ærø, or Aeros may refer to: Aeronautics Airlines and companies * Aero (P ...
and downforce packages while introducing new technologies (such as center lock wheels and rear diffusers, technologies used in road racing cars) on the track. In addition, the Next Gen car is meant to lower costs and attract new original equipment manufacturers (OEMs) to compete with Chevrolet, Ford, and Toyota.


Setup

The automobiles' suspension, brakes, and aerodynamic components are also selected to tailor the cars to different racetracks. A car that understeers is said to be "tight", or "pushing", causing the car to keep going up the track with the wheel turned all the way left, while one that oversteers is said to be "loose" or "free", causing the back end of the car to slide around, which can result in the car spinning out if the driver is not careful. The adjustment of front and rear aerodynamic downforce,
spring rate A spring is an elastic object that stores mechanical energy. In everyday use the term often refers to coil springs, but there are many different spring designs. Modern springs are typically manufactured from spring steel, although some non- ...
s,
track bar A Panhard rod (also called Panhard bar, track bar, or track rod) is a suspension link that provides lateral location of the axle. Originally invented by the Panhard automobile company of France in the early twentieth century, this device has been ...
geometry, brake proportioning, the wedge (also known as cross-weight), changing the camber angle, and changing the air pressure in the tires can all change the distribution of forces among the tires during cornering to correct for handling problems. Recently,
coil bind {{Multiple image, direction=vertical, align=image1=BobbyLabonteCarApril2007.jpg, image2=Carl EdwardsTexasMotorSpeedway.jpg, width=265, caption1=At rest the air dam (red) of a car appears several inches above the ground., caption2=At full speed the a ...
setups have become popular among teams. These characteristics are also affected by tire stagger (tires of different circumference at different positions on the car, the right rear having the most influence in left turns) and rubber compounds used in tire construction. These settings are determined by NASCAR and Goodyear engineers and may not be adjusted by individual teams. Changing weather conditions may also affect a car's handling. In a long race, it is sometimes advantageous to prepare a car to handle well at the end of an event while surrendering the advantage of speed at the start. On oval races, rain forces a race to be halted immediately. NASCAR had developed rain tires for Cup Series road racing as early as late 1990s, but initially abandoned them because there at the time were not enough road courses on the schedule to justify the cost of making more tires to replace them as they aged. The first in-race use of rain tires in the Cup Series were at the
2020 Bank of America Roval 400 The 2020 Bank of America Roval 400 is a NASCAR Cup Series race that was held on October 11, 2020 at Charlotte Motor Speedway in Concord, North Carolina. Contested over 109 laps on the road course, it was the 32nd race of the 2020 NASCAR Cup Ser ...
and the
2021 Texas Grand Prix The 2021 EchoPark Texas Grand Prix was a NASCAR Cup Series race that was held on May 23, 2021, at Circuit of the Americas in Austin, Texas. Originally scheduled for 68 laps on the 3.426-mile (5.514 km) road course, the race was shortened to 54 la ...
. Prior to these, a 1956 race at
Road America Road America is a motorsport road course located near Elkhart Lake, Wisconsin, United States on Wisconsin Highway 67. It has hosted races since the 1950s and currently hosts races in the NASCAR Cup and Xfinity Series, WeatherTech SportsCar Champ ...
was held in rain;
Tim Flock Julius Timothy Flock (May 11, 1924 – March 31, 1998) was an American stock car racer. He was a two-time NASCAR series champion. He was a brother to NASCAR's second female driver Ethel Mobley and Bob and Fonty Flock. NASCAR career Tim Flo ...
won the race.


Cup tracks

Presently, the NASCAR Cup Series is held mainly in eastern states, with only six tracks located west of the
Mississippi River The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it f ...
. Cup Series races are not conducted on standardized tracks; the 2017 season included 21 oval tracks and 2 road courses. The lap length of the oval tracks vary from at
Martinsville Speedway Martinsville Speedway is a NASCAR-owned stock car racing short track in Ridgeway, Virginia, just south of Martinsville. At in length, it is the shortest track in the NASCAR Cup Series. The track was also one of the first paved oval tracks in s ...
to at
Talladega Superspeedway Talladega Superspeedway, nicknamed “'Dega”, and formerly named Alabama International Motor Speedway (AIMS) from 1969 to 1989, is a motorsports complex located north of Talladega, Alabama. It is located on the former Anniston Air Force Base ...
. The majority of the oval tracks are paved with
asphalt Asphalt, also known as bitumen (, ), is a sticky, black, highly viscous liquid or semi-solid form of petroleum. It may be found in natural deposits or may be a refined product, and is classed as a pitch. Before the 20th century, the term a ...
, while 3 tracks are wholly or partially paved with
concrete Concrete is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens (cures) over time. Concrete is the second-most-used substance in the world after water, and is the most wi ...
. Although the series historically raced on dirt tracks, it ceased to do so for more than 50 years after the 1970 season. In 2021, dirt racing returned to the schedule with a March event at Bristol Motor Speedway. While some tracks are true ovals, such as Bristol Motor Speedway, over half the tracks currently in Cup competition are a form of
tri-oval A tri-oval is a shape which derives its name from the two other shapes it most resembles, a triangle and an oval. Rather than meeting at sharp, definable angles as the sides of a triangle do, in a tri-oval these angles are instead rounded into sm ...
. Other configurations include
Darlington Raceway Darlington Raceway is a race track built for NASCAR racing located in Darlington, South Carolina. It is nicknamed "The Lady in Black" and "The Track Too Tough to Tame" by many NASCAR fans and drivers and advertised as "A NASCAR Tradition." It is ...
's characteristic uneven "egg" shape, the triangular
Pocono Raceway Pocono Raceway (formerly Pocono International Raceway), also known as ''The Tricky Triangle'', is a superspeedway located in the Pocono Mountains in Long Pond, Pennsylvania. It is the site of three NASCAR national series races and an ARCA M ...
, and the rectangle of
Indianapolis Motor Speedway The Indianapolis Motor Speedway is an automobile racing circuit located in Speedway, Indiana, an enclave suburb of Indianapolis, Indiana. It is the home of the Indianapolis 500 and the Verizon 200, and and formerly the home of the United State ...
. While NASCAR is known for primarily running counter-clockwise on oval tracks, Sonoma Raceway and
Watkins Glen International Watkins Glen International, nicknamed "The Glen", is an automobile race track located in the town of Dix just southwest of the village of Watkins Glen, New York, at the southern tip of Seneca Lake. It was long known around the world as the hom ...
are complex road courses which are raced clockwise. The series' first road course event was held in 1954, at Linden Airport in New Jersey. Since 1963, the series has raced on at least one road course every year. Courses have a wide range of
banking A bank is a financial institution that accepts deposits from the public and creates a demand deposit while simultaneously making loans. Lending activities can be directly performed by the bank or indirectly through capital markets. Because ...
in the corners. New Hampshire Motor Speedway, with 7 degrees of banking, has the flattest corners, while the steepest banking is
Talladega Superspeedway Talladega Superspeedway, nicknamed “'Dega”, and formerly named Alabama International Motor Speedway (AIMS) from 1969 to 1989, is a motorsports complex located north of Talladega, Alabama. It is located on the former Anniston Air Force Base ...
's 33 degrees. Tracks also vary in amount of banking on the straightaways, from entirely flat on many courses to 9 degrees at Dover International Speedway. Race speeds vary widely depending on the track. The fastest track is Talladega Superspeedway, where the record average speed is and the record qualifying lap is , set by
Bill Elliott William Clyde Elliott (born October 8, 1955), also known as Awesome Bill from Dawsonville, Million Dollar Bill, or Wild Bill is an American former professional stock car racing driver. He competes full time in the Camping World Superstar Racing ...
in 1987. The record stands unlikely to be broken, as restrictor plates were made mandatory at superspeedways in 1988 to reduce speeds, and the plates were then replaced in 2019 by tapered spacers which still reduced enough horsepower to prevent cars from going beyond speed of 205 mph. The slowest tracks are Sonoma Raceway, a road course with a record average speed of only and a record qualifying lap of , and Martinsville Speedway, a short, nearly flat "paper clip" oval, with a record average speed of and a record qualifying lap of . The average speed of a race is determined by dividing the winner's race time (from the waving of the green flag to the waving of the
checkered flag Racing flags are traditionally used in auto racing and similar motorsports to indicate track condition and to communicate important messages to drivers. Typically, the starter, sometimes the grand marshal of a race, waves the flags atop a flag s ...
, including laps spent under caution) by the distance of the race. Time elapsed during
red flag Red flag may refer to: * Red flag (idiom), a metaphor for something signalling a problem ** Red flag warning, a term used by meteorologists ** Red flag (battle ensign), maritime flag signaling an intention to give battle with no quarter (fight to ...
periods is not included in the calculation of the average speed.


See also

* Can-Am Duel *
List of all-time NASCAR Cup Series winners The following is a list compiling the total number of career victories in NASCAR Cup Series competition. The list recognizes "Cup" victories under the following auspices: * Strictly Stock (1949) *Grand National Series (1950–1970) *Winston Cup ...
* List of NASCAR Cup Series champions *
List of NASCAR drivers The following is a list of drivers who are currently competing in a series sanctioned by the National Association for Stock Car Auto Racing (NASCAR). NASCAR Cup Series drivers ''All statistics used in these tables are as of the end of the 2022 Ba ...
*
List of NASCAR race tracks This is a list of tracks which have hosted a NASCAR race from 1948 to present. Various forms of race track have been used throughout the history of NASCAR, including purpose-built race tracks such as Daytona. NASCAR National series race tracks ...
*
List of NASCAR teams NASCAR teams compete in all three national NASCAR series: the NASCAR Cup Series, Xfinity Series, and Camping World Truck Series The NASCAR Craftsman Truck Series is a pickup truck racing series owned and operated by the National Association for ...
*
NASCAR Xfinity Series The NASCAR Xfinity Series (NXS) is a stock car racing series organized by NASCAR. It is promoted as NASCAR's second-tier circuit to the organization's top level Cup Series. NXS events are frequently held as a support race on the day prior to a ...
*
NASCAR Camping World Truck Series The NASCAR Craftsman Truck Series is a pickup truck racing series owned and operated by the National Association for Stock Car Auto Racing, and is the only series in NASCAR to race production pickup truck based stock cars. The series is one of th ...
*
NASCAR rules and regulations The National Association for Stock Car Auto Racing (NASCAR) makes and enforces numerous rules and regulations that transcend all racing series. NASCAR issues a different rule book for each racing series; however, rule books are published exclus ...
*
2022 NASCAR Cup Series The 2022 NASCAR Cup Series will be the 74th season for NASCAR professional stock car racing in the United States and the 51st season for the modern-era Cup Series. The season will start at the Los Angeles Memorial Coliseum with the Busch Light ...


References


External links

*
Racing Reference
{{Class of Auto racing Recurring sporting events established in 1949 Stock car racing series in the United States 1949 establishments in the United States