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.
The women's 400 metres hurdles is an outdoor track event over a distance of 400 metres with ten hurdles at the height of 76.2 cm (30 inches). The world records of this women's event have been recognised by World Athletics since 1974. Every world record is fully automatically timed and undergoes a ratification process that includes doping control.
The 400 metres hurdles at the Summer Olympics is the longest hurdling event held at the multi-sport event. The men's 400 m hurdles has been present on the Olympic athletics programme since 1900, with a sole gap at the 1912 Summer Olympics. The women's event was added to the programme over eighty years later, at the 1984 Olympics. It is the most prestigious 400 m hurdles race at elite level.
Sydney Michelle McLaughlin-Levrone is an American hurdler and sprinter who competes in the 400 meters hurdles and is the world record holder in that event. She has won gold in the 2020 and 2024 Summer Olympics, as well as the 2022 World Athletics Championships. She set a world record time of 50.37 seconds at the 2024 Summer Olympics on August 8, 2024, breaking her own old world record of 50.65 seconds. She is the first track athlete to break four world records in the same event; setting four world records during 13 months, she was the first woman to break the 52-second and 51-second barriers in the 400 m hurdles. She won the silver medal at the 2019 World Championships. At all four competitions, she also took gold as part of a women's 4 × 400 m relay team.
The men's 400 metres hurdles at the 2017 World Championships in Athletics was held at the London Olympic Stadium on 6–9 August.
The women's 400 metres hurdles event at the 2020 Summer Olympics took place between 31 July and 4 August 2021 at the Japan National Stadium. 39 athletes from 25 nations competed.
Femke Bol is a Dutch track and field athlete who competes in hurdling and sprinting. She specialises in the 400 metres hurdles, where she is the 2023 World Champion, and in the 400 metres, where she is the 2024 World Indoor Champion and the short track world record holder. In the 4 × 400 metres relay, she is the 2023 World Champion and the 2024 World Indoor Champion with the Dutch women's team and the 2024 Olympic Champion with the Dutch mixed team.
Anna Cockrell is an American track and field athlete competing in sprinting and hurdling. She is a two-time medalist at the 2019 Pan American Games in Lima, Peru and won the silver medal at the 2024 Summer Olympics in 400 m hurdles event.
The women's 400 metres at the 2021 European Athletics Indoor Championships took place in three rounds at the Arena Toruń in Toruń, Poland, on 5 and 6 March 2021.
Sharlene Mawdsley is an Irish athlete who specialises in the 400 meters and other sprint events.
The women's 400 metres at the 2022 World Athletics Indoor Championships took place on 18 and 19 March 2022.
The women's 400 metres hurdles at the 2022 World Athletics Championships was held at the Hayward Field in Eugene, Oregon, United States, from 19 to 22 July 2022. It was won by Sydney McLaughlin in a world record time of 50.68 seconds. The winning margin was 1.59 seconds which as of 2024 stands as the greatest winning margin for the women's 400 metres hurdles at these championships.
The women's 400 metres hurdles at the 2022 European Athletics Championships took place in three rounds at the Olympiastadion in Munich, Germany, from 17 to 19 August 2022.
The women's 400 metres hurdles at the 2023 World Athletics Championships took place in three rounds at the National Athletics Centre in Budapest, Hungary from 21 to 24 August 2023. On 21 August, forty-one athletes of thirty nations participated in the five heats of round 1. On 22 August, twenty-four athletes competed in the three heats of the semifinals. On 24 August, eight athletes competed in the final, which was won by Femke Bol of the Netherlands in 51.70 seconds, ahead Shamier Little of the United States in 52.80 seconds and Rushell Clayton of Jamaica in 52.81 seconds.
The women's 400 metres hurdles at the 2024 European Athletics Championships took place in three rounds at the Stadio Olimpico in Rome, Italy, from 9 to 11 June 2024. This was the sixteenth time that the women's 400 metres hurdles was contested at the European Athletics Championships. A total of 37 athletes qualified for the event by entry standard, ranking, or wild card. The startlists contained 35 athletes from 21 nations.
The women's 400 metres at the 2024 Summer Olympics was held in four rounds at the Stade de France in Paris, France, between 5 and 9 August 2024. This was the sixteenth time that the women's 400 metres was contested at the Summer Olympics. A total of 48 athletes were able to qualify for the event by entry standard or ranking.
The men's 400 metres at the 2024 Summer Olympics was held in four rounds at the Stade de France in Paris, France, between 4-7 August 2024. This was the 30th time that the men's 400 metres was contested at the Summer Olympics. A total of 48 athletes were able to qualify for the event by entry standard or ranking.
The men's 400 metres hurdles at the 2024 Summer Olympics was held in four rounds at the Stade de France in Paris, France, from 5 to 9 August 2024. This was 28th time that the men's 400 metres hurdles was contested at the Summer Olympics. A total of 40 athletes were able to qualify for the event by entry standard or ranking.
The women's 4 x 400 metres relay at the 2024 Summer Olympics was held in two rounds at the Stade de France in Paris, France, on 9 and 10 August 2024. This was the 14th time that the women's 4 x 400 metres relay was contested at the Summer Olympics. Sixteen teams were able to qualify for the event through the 2024 World Athletics Relays or the World Athletics top list.
