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400 Metres
The 400 metres, or 400-meter dash, is a sprint event in track and field competitions. It has been featured in the athletics programme at the Summer Olympics since 1896 for men and since 1964 for women. On a standard outdoor running track, it is one lap around the track. Runners start in staggered positions and race in separate lanes for the entire course. In many countries, athletes previously competed in the 440-yard dash (402.336 m)—which is a quarter of a mile (1,760 yards) and was referred to as the "quarter-mile"—instead of the 400 m (437.445 yards), though this distance is now obsolete. Like other sprint disciplines, the 400 m involves the use of starting blocks. The runners take up position in the blocks on the "ready" command, adopt a more efficient starting posture which isometrically preloads their muscles on the "set" command, and stride forwards from the blocks upon hearing the starter's pistol. The blocks allow the runners to begin more pow ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wayde Van Niekerk
Wayde van Niekerk (South African English: , ; born 15 July 1992) is a South African track and field sprinter who competes in the 200 and 400 metres. In the 400 metres, he is the current world and Olympic record holder, having set the record in the Olympic finals. He also holds the world-best time in the 300 metres. Van Niekerk was the silver medallist in the 400m at the 2014 Commonwealth Games and took silver in the 4×400 metres relay at the 2013 Summer Universiade. He also represented South Africa at the 2013 and 2015 Athletics World Championships. At the 2015 World Championships, he won the gold medal in the 400 metres. He defended his title two years later, in London, where he also won the silver medal in the 200 metres race. In the 2016 Olympic Games men's 400m, Van Niekerk won the gold medal with a world record time of 43.03 seconds (reaction time 0.181 s) at age 24 years and 30 days, beating the time of 43.18 seconds set by Michael Johnson during the 1999 World ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Isometric Exercise
An isometric exercise is a form of exercise involving the static contraction of a muscle without any visible movement in the angle of the joint. The term "isometric" combines the Greek words ''isos'' (equal) and ''-metria'' (measuring), meaning that in these exercises the length of the muscle and the angle of the joint do not change, though contraction strength may be varied. This is in contrast to ''isotonic contractions'', in which the contraction strength does not change, though the muscle length and joint angle do. The three main types of isometric exercise are isometric presses, pulls, and holds. They may be included in a strength training regime in order to improve the body’s ability to apply power from a static position or, in the case of isometric holds, improve the body’s ability to maintain a position for a period of time. Considered as an action, isometric presses are also of fundamental importance to the body’s ability to prepare itself to perform immediately s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Michael Johnson (athlete)
Michael Duane Johnson (born September 13, 1967) is an American retired sprinter who won four Olympic gold medals and 8 World Championships gold medals in the span of his career. He formerly held the world and Olympic records in the 200 m and 400 m, as well as the world record in the indoor 400 m. He also once held the world's best time in the 300 m. Johnson is generally considered one of the greatest and most consistent sprinters in the history of track and field. Johnson is the only male athlete in history to win both the 200 meters and 400 meters events at the same Olympics, a feat he accomplished at the 1996 Summer Olympics in Atlanta. Johnson is also the only man to successfully defend his Olympic title in the 400 m, having done so at the 2000 Summer Olympics in Sydney. Aside from his Olympic success, Johnson accumulated eight gold medals at the World Championships and is tied with Carl Lewis for the fourth most gold medals won by a runner. Johnson's distinctive stiff upr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marie-José Pérec
Marie-José Pérec (born 9 May 1968) is a retired French track and field sprinter who specialised in the 200 and 400 metres and is a three-time Olympic gold medalist. Athletics career Pérec won the 1991 World Championships 400 metres title in Tokyo and repeated the feat at the 1995 World Championships in Gothenburg. She was also the 400 metres champion at the 1992 Olympic Games in Barcelona. She entered the 200 metres and 400 metres events at the 1996 Olympic Games in Atlanta and won both, thus achieving the second-ever Olympic 200 metres/400 metres gold medal double, after Valerie Brisco-Hooks in Los Angeles 1984. Pérec won the 400 metres title in an Olympic record time of 48.25 seconds, which also ranked her as the third fastest woman of all time. It took 23 years until 2019 before Salwa Eid Naser surpassed her mark to push Pérec to number 4 of all time. In addition to her Olympic and World titles, Pérec also won the 400 metres title and was a part of the gold meda ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Valerie Brisco-Hooks
Valerie Ann Brisco-Hooks (born July 6, 1960, in Greenwood, Mississippi) is an Olympian who won three gold medals as an Olympic track and field athlete at the 1984 Olympics at Los Angeles, California, making her the first Olympian to win gold medals in both the 200- and 400-meter races at a single Olympics. Career Valerie's outstanding high school performance led her to the collegiate level of track and field at California State University, Northridge. She continued to excel, winning the 200-meter title at the Association of Intercollegiate Athletics for Women (AIAW) Championships and earning a spot on the U.S. team for the 1979 Pan American Games, where she helped her 4 × 100-meter relay team win the gold medal. Her 400 metres time of 48.83, set while winning the 1984 Olympics was at the time the Olympic record and still ranks her as the tenth fastest woman of all time. She also won a gold medal for the 4 × 400 m. Brisco competed in the 1988 Olympic Games, which took place i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
200 metres
The 200 metres, or 200-meter dash, is a sprint running event. On an outdoor 400 metre racetrack, the race begins on the curve and ends on the home straight, so a combination of techniques is needed to successfully run the race. A slightly shorter race, called the '' stadion'' and run on a straight track, was the first recorded event at the ancient Olympic Games. The 200 m places more emphasis on speed endurance than shorter sprint distances as athletes predominantly rely on anaerobic energy system during the 200 m sprint. Similarly to other sprint distances, the 200 m begins from the starting blocks. When the sprinters adopt the 'set' position in the blocks they are able to adopt a more efficient starting posture and isometrically preload their muscles. This enables them to stride forwards more powerfully when the race begins and start faster. In the United States and elsewhere, athletes previously ran the 220-yard dash (201.168 m) instead of the 200 m (21 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oscar Pistorius
Oscar Leonard Carl Pistorius (; ; born 22 November 1986) is a South African convicted murderer and former professional sprinter. Both of his feet were amputated when he was 11 months old owing to a congenital defect; he was born missing the outside of both feet and both fibulae. Pistorius ran in both nondisabled sprint events and in sprint events for below-knee amputees. He was the 10th athlete to compete at both the Paralympic Games and Olympic Games. After becoming a Paralympic champion, Pistorius attempted to enter nondisabled international competitions, over persistent objections by the International Association of Athletics Federations (IAAF) and arguments that his artificial limbs gave an unfair advantage. Pistorius prevailed in this legal dispute. At the 2011 World Championships in Athletics, Pistorius was the first amputee to win a nondisabled world track medal. At the 2012 Summer Olympics, Pistorius was the first double-leg amputee participant. On 14 February 2013, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
T43 (classification)
T43 is a disability sport classification for disability athletics (track and jump events only), applying to athletes with "Double below knee amputation (or combined arm/leg amputation) or similar disability." It includes ISOD classified athletes from the A4 and A9 classes. Definition This classification is for disability athletics in the track and jump events. This classification is one of several classifications for athletes with ambulant related disabilities. Similar classifications are T40, T42, T44, T45 and T46. The International Paralympic Committee defined this class in 2011 as: "Double below knee amputees and other athletes with impairments that are comparable to a double below knee amputation." This includes athletes with loss of muscle power in the lower limbs consistent with Class F57 or F58." The International Paralympic Committee defined this classification on their website in July 2016 as, "Lower limb affected by limb deficiency, leg length difference, impa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Christopher Morales Williams
Christopher Morales Williams (born 5 August 2004) is a Canadian sprinter who specializes in the 400 metres. Since 2022, he has competed for the University of Georgia Bulldogs. On February 24, 2024, as a sophomore, he set a unofficial world indoor record in the 400 m of 44.49 at the SEC Championships held in Fayetteville. He then set a new Canadian record in the 400m at the 2024 Outdoor SEC Championships on May 11 with a time of 44.05. Early and personal life Williams was born in Vaughan, Ontario to parents Raul Morales and Tania Morales Williams. He has two siblings: Nicolas and Alexandra. He attended St. Elizabeth Catholic High School where he graduated in 2022. He missed two years of high school track training and competition when schools were shut during the pandemic, substituting daily solo long distance runs for training, working up to 12 kilometres. He majors in Ecology at the University of Georgia. Athletics career High school 2019 Morales-Williams was the number ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Antonio Watson
Antonio Watson (born 11 September 2001) is a Jamaican sprinter. He won the gold medal in the boys' 400 metres event at the 2017 World Youth Championships in Athletics held in Nairobi, Kenya. In 2018, he won the silver medal in the boys' 200 metres event at the Summer Youth Olympics held in Buenos Aires, Argentina. He won the 200 m bronze medal and the gold in the 4x100 relay in the 2021 NACAC U23 Championships. Watson won gold in the 400 m The 400 metres, or 400-meter dash, is a sprint event in track and field competitions. It has been featured in the athletics programme at the Summer Olympics since 1896 for men and since 1964 for women. On a standard outdoor running track, it is o ... at the 2023 World Championships in Budapest, Hungary. References External links * Living people 2001 births Place of birth missing (living people) Jamaican male sprinters Athletes (track and field) at the 2018 Summer Youth Olympics World Youth Championships in Athlet ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Quincy Hall
Quincy Hall (born 31 July 1998) is an American track and field athlete who competes over 400 metres and 400m hurdles. Early life From Kansas City, Missouri, Quincy Hall participated in track, football and wrestling at Raytown South High School, is a son of Milton and Iecia Hall, has a brother, Milton, and a sister, Breanna, both of whom also ran track. Hall is a 2016 state champion in the 400 meters where he set a Missouri State High School Activities Association MSHSAA state record in 46.82s. Hall also attended the College of the Sequoias in California. In 2017, he was the California Community College Athletic Association champion in the 4x400m relay, 400m and 400m hurdles leading the team to a state title at 2017 CCCAA State Track and Field Championships. Quincy Hall earned 7 California Community College Athletic Association National Junior College Athletic Association All-American honors. Career In 2017, competing at the 2017 Pan American U20 Athletics Championships, held ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South Africa
South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countries of Namibia, Botswana, and Zimbabwe; and to the east and northeast by Mozambique and Eswatini. It also completely enclaves the country Lesotho. It is the southernmost country on the mainland of the Old World, and the second-most populous country located entirely south of the equator, after Tanzania. South Africa is a biodiversity hotspot, with unique biomes, plant and animal life. With over 60 million people, the country is the world's 24th-most populous nation and covers an area of . South Africa has three capital cities, with the executive, judicial and legislative branches of government based in Pretoria, Bloemfontein, and Cape Town respectively. The largest city is Johannesburg. About 80% of the population are Black South Afri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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