Angelo F. Taylor is an American track and field athlete, winner of 400-meter hurdles at the 2000 and 2008 Summer Olympics. His personal record for the hurdles event is 47.25 seconds. His time puts him in a tie with Félix Sánchez for the #14 performer of all time. Sánchez also won two Olympic gold medals, in 2004 between Taylor's two golds and 2012, immediately following. Taylor also has a 400-meter dash best of 44.05 seconds, ranking him as the #25 performer of all time, superior to any other athlete who has made a serious effort in the 400 metres hurdles. He won the bronze medal in the 400 m at the 2007 World Championships in Athletics.
Monique Marie Henderson is an American track and field athlete, who specializes in the 400-meter dash. Henderson was a gold medalist in both the 2004 Olympic Games in Athens, Greece and the 2008 Olympic Games in Beijing, China as a member of the American 4×400-meter relay squad.
Lashinda Demus is a retired American hurdler who specialized in the 400 meter hurdles, an event in which she was the 2011 world champion and 2012 Olympic gold medalist, becoming the first woman from the United States to win the Olympic 400 m hurdles title.
Geena Gall, is an Olympic American mid-distance runner who ran for the University of Michigan. Gall's achievements include back to back NCAA Outdoor Championships in the 800m in 2008 and 2009, representing the USA at the 2012 Olympic Games in London and 2009 World Championships in Athletics in Berlin, Germany in the 800m. She also competed at the North American Central American Caribbean Championships in San Salvador, El Salvador in 2007 and Toluca, Mexico in 2008. Gall was a member of the "Fab Four" who set two collegiate records at the 2007 Penn Relays, a ten-time NCAA All-American, owning two Big Ten 800 meter records and two DMR records, 10 Big Ten championships, numerous U of M school records, and at Grand Blanc High School she was a three-time national champion.
Natasha Monique Hastings is an American 400 meter track and field sprinter.
Queen Quedith Claye née Harrison is an American hurdler and sprinter who competed in the 400 metres hurdles at the 2008 Summer Olympics. She was a six-time collegiate All-American at Virginia Tech where she was elected to its sports hall of fame. Queen is a meet director for Virginia's Best Track and Field Classic - VHSL meet hosted in Richmond, Virginia started in 2017.
The women's 400 metres hurdles competition at the 2012 Summer Olympics in London, United Kingdom was held at the Olympic Stadium on 5–8 August.
Comoros competed at the 2012 Summer Olympics in London, England, which was held from 27 July to 12 August 2012. The country's participation at London marked its fifth appearance in the Summer Olympics since its début at the 1996 Summer Olympics. The delegation included two track and field athletes: Maoulida Darouèche and Feta Ahamada, and one swimmer, Ayouba Ali Sihame, all three qualified for the Games through wildcard places. Ahamada was selected as the flag bearer for the opening ceremony and Darouèche held it at the closing ceremony. Ahamada won her heat in the preliminary round of the women's 100 metres but was eliminated in the heat stages, while Darouèche and Sihame did not advance beyond the first round of their respective events.
Francena Lynette McCorory is a retired American track and field athlete, known primarily for running the 400 meters. She was the 2011 World bronze medalist in the 400 meters and was a member of the gold medal-winning 2012 and 2016 United States Olympic 4 x 400 m relay teams. She was the IAAF 400 meter Indoor World Champion in 2014. McCorory retired in 2021.
T'erea Brown is an American track and field athlete, specializing in hurdling events. She was the 2010 American champion in the 400-meter hurdles and the 2011 NCAA Outdoor champion in the event.
Diamond Brittany Dixon is an American track and field athlete. She won a gold medal at the 2012 Summer Olympics in London as a member of the 4 × 400 m relay team. While she was not a member of the relay team who ran in the medal race, she took part in the race which qualified the American team for the final. Under Olympic rules, all runners who took part in qualification races also earn medals. While at the University of Kansas, she won the 2013 Big 12 Conference championships in the 400m, 4 × 100 m relay, and 4 × 400 m relay. While running for Westside High School, she was the 2009 and 2010 Texas state champion in the 400 meters.
Kori Carter is an American track and field athlete specializing in hurdle races, the World Champion in the 400 metres hurdles event in 2017. Kori Carter was a nine-time All-American at Stanford University sponsored by Jordan Brand.
Dalilah Muhammad is an American track and field athlete who specializes in the 400 meters hurdles. She is the 2016 Rio Olympics champion and 2020 Tokyo Olympics silver medalist, becoming at the latter the then-second-fastest woman of all time in the event with her personal best of 51.58 seconds. Muhammad was second at both the 2013 and 2017 World Championships to take her first gold in 2019, setting the former world record of 52.16 s. She was the second female 400 m hurdler in history, after Sally Gunnell, to have won the Olympic, World titles and broken the world record. At both the 2019 World Championships and Tokyo Games, she also took gold as part of women's 4 × 400 metres relay team.
Ashley Spencer is an American track and field athlete who competes in the 400 metres and the 400 metres hurdles. In the 400m hurdles, she is the 2016 Olympic bronze medalist. In the 400m, she is the 2012 World Junior Champion and the 2016 World Indoor silver medalist. She is coached by 1996 Olympic bronze medalist Tonya Buford-Bailey.
The women's 400 metres hurdles competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil was held at the Olympic Stadium between 15 and 18 August.
Shamier Little is an American track and field sprinter specializing in the 400 metres hurdles. As a 20-year-old college sophomore at Texas A&M University, Little was the 2015 US champion. She then went on to win the silver medal in her signature event at the 2015 and 2023 World Championships. In July 2021, she became the fifth fastest woman of all time at the event.
Shelby Houlihan is an American middle distance runner, Olympian and World Record holder in the 4x1500m relay who is currently serving a ban. Houlihan competed in the 5000m final at the 2016 Summer Olympics in Rio, finishing 11th. She is a 12-time US National Champion winning seven indoor and five outdoor titles in middle-distance events. While at Arizona State University she won the 2014 NCAA 1500m championship.
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 she represented the United States at the 2020 Summer Olympics in Tokyo, Japan.
David Kendziera is an American Olympic athlete who runs the 400m hurdles and 110m hurdles.
Jaide Alexandra Stepter Baynes is an American track and field athlete who specializes in the 400 metres.
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