The decathlon is a combined event in athletics consisting of ten track and field events. The word "decathlon" was formed, in analogy to the word "pentathlon", from Greek δέκα and ἄθλος. Events are held over two consecutive days and the winners are determined by the combined performance in all. Performance is judged on a points system in each event, not by the position achieved. The decathlon is contested mainly by male athletes, while female athletes typically compete in the heptathlon.
Hurdling is the act of jumping over an obstacle at a high speed or in a sprint. In the early 19th century, hurdlers ran at and jumped over each hurdle, landing on both feet and checking their forward motion. Today, the dominant step patterns are the 3-step for high hurdles, 7-step for low hurdles, and 15-step for intermediate hurdles. Hurdling is a highly specialized form of obstacle racing, and is part of the sport of athletics. In hurdling events, barriers known as hurdles are set at precisely measured heights and distances. Each athlete must pass over the hurdles; passing under or intentionally knocking over hurdles will result in disqualification.
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 and was referred to as the 'quarter-mile'—instead of the 400 m (437.445 yards), though this distance is now obsolete.
Roger Anthony BlackMBE is an English former athlete who competed internationally for Great Britain and England. During his athletics career, he won individual silver medals in the 400 metres sprint at both the Olympic Games and World Championships, two individual gold medals at the European Championships, and 4 × 400 metres relay gold medals at both the World and European Championships.
Alvin Leonardo Harrison is an American former track and field athlete who competed in sprinting events. He won a gold medal in the 4 x 400 metres relay at both the 1996 and 2000 Summer Olympics and a silver medal in the 400 metres at the 2000 Summer Olympics.
Sandra Glover is an American former track and field athlete who competed in the 400-meter hurdles. She was a medalist in that event at the World Championships in Athletics in 2003 (silver) and 2005 (bronze). She also represented her country at the 2000 Summer Olympics. She was the national champion at the USA Outdoor Track and Field Championships for four consecutive years from 1999 to 2002. She had five victories on the IAAF Golden League circuit during her career.
Clement Chukwu is a former Nigerian athlete who specialized in the 200 and 400 metres.
Troy Douglas is a former Dutch sprinter. Originally competing for Bermuda, he finished second at the 1995 IAAF World Indoor Championships in the 200 metres event, but he changed nationality to the Netherlands in 1998. For Bermuda he participated at the 1988, 1992 and 1996 Summer Olympics, reaching the semi finals on the 200 metres in 1996 as well as the semi finals on the 400 metres in 1992 and 1996. He finished 5th in the final of the 200 metres at the 1991 Pan American Games.
The steeplechase is an obstacle race in athletics, which derives its name from the steeplechase in horse racing. The foremost version of the event is the 3000 metres steeplechase. The 2000 metres steeplechase is the next most common distance. A 1000 metres steeplechase is occasionally used in youth athletics.
Michelle Rohl is a retired female track and field athlete from the United States, who competed in race walking. She represented her native country at three consecutive Summer Olympics, starting in 1992. A five-time USA Indoor Champion and a four-time U.S. outdoor 20 km champion, she won a silver and a bronze medal at the Pan American Games.
2015 World Masters Athletics Championships is the 21st in a series of World Masters Athletics Outdoor Championships that took place in Lyon, France from 4 to 16 August 2015. This was the last odd year of the biennial Championships; beginning in 2016, the Championships will be held in even-numbered years. The change was made to avoid conflict with the quadrennial World Masters Games, which had been held in odd-numbered years since 2005.
Noel Stanley Clough is an Australian former track and field athlete who competed in the 400 metres, 800 metres, and 400 metres hurdles.
The men's 400 metres hurdles at the 2018 Commonwealth Games, as part of the athletics programme, took place in the Carrara Stadium on 10 and 12 April 2018.
2018 World Masters Athletics Championships is the 23rd in a series of World Masters Athletics Outdoor Championships that took place along the Costa del Sol in Málaga and Torremolinos, Spain from 4 to 16 September 2018. This was the second even year of this biennial series as beginning in 2016 at Perth, Australia, the Championships moved to be held in even-numbered years to avoid conflict with the quadrennial World Masters Games, which had been held in odd-numbered years since 2005.
2009 World Masters Athletics Championships is the eighteenth in a series of World Masters Athletics Outdoor Championships that took place in Lahti, Finland from 28 July to 8 August 2009.
2005 World Masters Athletics Championships is the sixteenth in a series of World Masters Athletics Outdoor Championships that took place in San Sebastián, Spain from 22 August to 3 September 2005.
1979 World Masters Athletics Championships is the third in a series of World Masters Athletics Outdoor Championships that took place in Hannover, Germany, from 27 July to 2 August 1979.
The women's 400 metres event at the 2020 Summer Olympics took place from 3 to 6 August 2021 at the Japan National Stadium. 45 athletes from 34 nations competed. Shaunae Miller-Uibo won the gold medal in a personal best of 48.36 secs, a time which ranks her sixth on the world all-time list. In successfully defending her title, Miller-Uibo joined Marie-Jose Perec as the only women to win two Olympic 400 metres titles.
The men's 400 metres hurdles at the 2019 World Athletics Championships was held at the Khalifa International Stadium in Doha from 27 to 30 September 2019.
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