The 400 metres hurdles is a track and field hurdling event. The event has been on the Olympic athletics programme since 1900 for men and since 1984 for women.
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.
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.
Sunder Lamont Nix was a 1984 Summer Olympics gold medalist in the men's 4x400 meter relay for the United States.
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.
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.
Vera Ivanovna Popkova was a Soviet track and field athlete who competed in the sprints. She had personal bests of 11.3 seconds for the 100 metres and 23.0 seconds for the 200 metres. Over her career, she won eight individual national titles in the sprints.
The British Virgin Islands have attended all seven Commonwealth Games since 1990.
Alfons ("Fons") Brydenbach was a Belgian sprinter who specialized in the 400 metres. He is a former world indoor record holder.
Shirley Ngarita Peterson was a New Zealand track and field athlete. She represented her country at the 1950 British Empire Games, winning a silver medal in the women's 440 yards relay. From 1980, she became active in masters athletics, setting world records in various events and age-group categories, and winning multiple world masters athletics championship titles.
Fred Sowerby is a track and field athlete from Antigua and Barbuda, known primarily for running the 400 metres.
Marie Gayot is a retired French sprint athlete. She specialized in 400m and set her personal best of 50.97s in 2015 World Championships in Athletics in Beijing. She holds a master's degree in urbanism from Cergy-Pontoise University.
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.
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 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.
United Kingdom 
Puerto Rico 
Australia 
Germany 
United States 
South Africa