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Open-road racing is a form of
regularity rally A regularity rally, also called time-speed-distance or TSD rally, is a type of motorsport rally with the object of driving each segment of a course in a specified time at a specified average speed. The rally is usually conducted on public roads, ...
carried out at high speeds on closed public highways, most commonly in sparsely populated parts of the
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. Competitors attempt to set specified average speeds which can range from or higher along courses ranging between in length. At the lower speeds, unmodified
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can be used, while straightforward safety modifications can permit powerful
sports cars A sports car is a car designed with an emphasis on dynamic performance, such as handling, acceleration, top speed, the thrill of driving and racing capability. Sports cars originated in Europe in the early 1900s and are currently produced by ...
to reach speeds of .


History

Open Road Racing (ORR) marks a return to the earliest forms of
motorsport Motorsport, motorsports or motor sport is a global term used to encompass the group of competitive sporting events which primarily involve the use of motorized vehicles. The terminology can also be used to describe forms of competition of two ...
, in which a public highway is closed down for
amateur An amateur () is generally considered a person who pursues an avocation independent from their source of income. Amateurs and their pursuits are also described as popular, informal, autodidacticism, self-taught, user-generated, do it yourself, DI ...
racers' use. Among the first motor races was the
French Grand Prix The French Grand Prix (french: Grand Prix de France), formerly known as the Grand Prix de l'ACF (Automobile Club de France), is an auto race held as part of the Fédération Internationale de l'Automobile's annual Formula One World Championsh ...
of 1906, which was run on public roads near
Le Mans Le Mans (, ) is a city in northwestern France on the Sarthe River where it meets the Huisne. Traditionally the capital of the province of Maine, it is now the capital of the Sarthe department and the seat of the Roman Catholic diocese of Le Man ...
. Similar types of races on public roads (not always closed off) continued until the 1950s, when a series of accidents in races like the
Mille Miglia The Mille Miglia (, ''Thousand Miles'') was an open-road, motorsport endurance race established in 1927 by the young Counts Francesco Mazzotti and Aymo Maggi, which took place in Italy twenty-four times from 1927 to 1957 (thirteen before World ...
led to the abandonment of this type of racing. A modified form of open road racing resumed in the 1980s, with the inception of the
Silver State Classic Challenge The Silver State Classic Challenge is an authorized Open Road Racing event that is run since 1988 on a stretch of State Route 318 in Nevada, United States, which is closed for the occasion. It is called the fastest road race in the world by Gu ...
in
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. Since then, a number of other events have been organized, including three events organized by MKM Promotions in Northern
Nevada Nevada ( ; ) is a U.S. state, state in the Western United States, Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. N ...
, at
Wendover Wendover is a market town and civil parish at the foot of the Chiltern Hills in Buckinghamshire, England. It is situated at the point where the main road across the Chilterns between London and Aylesbury intersects with the once important road a ...
, Elko and Battle Mountain. Two races are run in West
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each year: the
Big Bend Open Road Race Big or BIG may refer to: * Big, of great size or degree Film and television * ''Big'' (film), a 1988 fantasy-comedy film starring Tom Hanks * '' Big!'', a Discovery Channel television show * ''Richard Hammond's Big'', a television show present ...
in April and the Road Runner event in October. Since 2001, the Sandhills Open Road Race in
Arnold, Nebraska Arnold is a village in Custer County, Nebraska, United States. The population was 597 at the 2010 census. The village was named for George Arnold, a pioneer settler. History Arnold was laid out and platted in 1883 in anticipation that the railro ...
has been run every August.


Example rules and entry requirements

All these organizations have similar rules and regulations. Drivers and optional navigators compete to set a specified average speed ("Target Speed") over the measured course, which is typically 50–90 miles in length. The start and finish time for each car is recorded against a
GPS The Global Positioning System (GPS), originally Navstar GPS, is a Radionavigation-satellite service, satellite-based radionavigation system owned by the United States government and operated by the United States Space Force. It is one of t ...
clock, and the average speed is calculated from the elapsed time. In each speed class, the winners are driver and navigator to achieve the speed closest to their target speed. Speed classes are chosen by the driver, with constraints according to their racing experience, the performance potential of their car, and the safety requirements set by the organizers. As an example, in the Silver State Classic Challenge there are currently four main classes, in which cars can achieve target speeds between 95 and 180 mph. The classes specify safety equipment levels required for cars, drivers and navigators, and a maximum "Tech Speed", which may never be exceeded. Radar traps are hidden along the course to enforce this rule. There is also an Unlimited Class, in which drivers compete to set the fastest possible time over the course.


Touring (Speed classes: 95, 100, 105, 110 mph)

Stock street cars with regular 3-point
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may be run in this class. A handheld fire extinguisher must be fitted, while gloves and Snell approved motorsports helmets must be worn by drivers and navigators. First-time drivers must run in this class unless they have appropriate
motorsports Motorsport, motorsports or motor sport is a global term used to encompass the group of competitive sporting events which primarily involve the use of motorized vehicles. The terminology can also be used to describe forms of competition of two ...
experience. At no time may the car exceed the Tech Speed of 124 mph.


Grand Touring (Speed classes: 115, 120, 125 mph)

In addition to a handheld fire extinguisher, gloves and Snell helmets, the car must be fitted with 5-point or 6-point harnesses for the driver and navigator (if present). Open cars must have a rollbar fitted. At no time may the car exceed the Tech Speed of 140 mph.


Grand Sport (Speed classes: 130, 135, 140, 145, 150 mph)

In addition to the above equipment, all cars must be fitted with a rollbar or equivalent roll-over protection. Drivers and navigators must wear fireproof racing suits. At no time may the car exceed the Tech Speed of 168 mph (270 km/h) (the speed rating of ZR tires).


Super Sport (Speed classes: 155, 160, 170, 180 mph, and Unlimited)

In this class, specialist race cars are necessary. A full roll cage, fuel cell and onboard plumbed fire extinguisher are required. Cars in the 160 and 170 mph speed classes may not exceed the Tech Speed of 180 mph at any time. Cars in the 180 mph and Unlimited classes have no specified maximum speed.


See also

*
Street circuit A street circuit is a motorsport racing circuit composed of temporarily closed-off public roads of a city, town or village, used in motor races. Airport runways and taxiways are also sometimes part of street circuits. Facilities such as the p ...


References


External links


Silver State Classic website
* ttp://www.bborr.com Big Bend Open Road Racingbr>Sandhills Open Road Race
Road rallying