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.
Kevin C. Young is a former American athlete. He was the winner of the 400 metres hurdles at the 1992 Summer Olympics. In the final of this event he set a world record and Olympic record of 46.78 seconds, the first time 47 seconds was broken, and a world record that stood for nearly 29 years until it was broken by Karsten Warholm on July 1, 2021.
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.
Marek Plawgo is a Polish athlete. He mainly competes in the 400 meters hurdles, but he also starts in the 400 meters and the 4 x 400 meters relay.
Nicola Clare Sanders is a former British track and field sprinter. She began her career as a 400 metres hurdles specialist before concentrating on the 400 metres from 2006 onwards. Her 400 metres personal best is 49.65 seconds. She holds the British indoor record with 50.02 seconds, which ranks her as the fifth fastest woman of all-time indoors.
Susanna Elisabeth "Sanna" Kallur is a Swedish former athlete competing mainly in sprint hurdles. She has won several international medals, including the gold medal in the 100 m hurdles at the 2006 European Athletics Championships. Kallur previously held the world indoor record for the 60 metres hurdles for 16 years (2008-2024).
Danny Lee Harris is an American former track and field athlete who specialized in the 400-meter hurdles (400 mH), in which he won silver medals at the 1984 Olympics and the 1987 World Championships.
Derval O'Rourke is an Irish former sprint hurdles athlete. She competed internationally in the 60 and 100 metres hurdles, and is the Irish national record holder in the former. She participated in two Indoor World Championships, five Outdoor World Championships and the 2004, 2008, and 2012 Summer Olympics.
Fabrizio Mori is an Italian hurdler, best known for his gold medal at the 1999 World Championships.
Gianni Carabelli is an Italian former athlete who specialized in the 400 metres hurdles.
Anna Marta Jesień, née Olichwierczuk is a Polish former hurdler.
Tasha De'Anka Danvers is a British Olympic bronze medallist, who finished in third place in the 400 metres hurdles at the 2008 Beijing Olympics. She was born in London to two athletes, Dorrett McKoy and Donald Danvers, who both moved to the United Kingdom from Jamaica as children.
The men's 400 metres hurdles at the 1988 Summer Olympics in Seoul, South Korea had an entry list of 38 competitors, with five qualifying heats and two semifinals (16) before the final (8) took place on Sunday September 25, 1988. One athlete did not start, so there were 37 competitors from 28 nations. The maximum number of athletes per nation had been set at 3 since the 1930 Olympic Congress. The event was won by 0.04 seconds by Andre Phillips of the United States, the nation's second consecutive and 14th overall victory in the event. Amadou Dia Ba earned Senegal's first medal in the event with his silver. Dia Ba broke up a potential American sweep, as 1976 and 1984 champion Edwin Moses took bronze and Kevin Young placed fourth. Moses was the second man to earn three medals in the event.
Aleksandr Kharlov is a retired hurdler from the Soviet Union, best known for winning the bronze medal at the inaugural 1983 World Championships in the men's 400 m hurdles.
Peirresha Alexandra Shakes-Drayton is a British retired track and field athlete. After specialising in the 400 metres hurdles in the early part of her career, a knee injury at the 2013 World Championships forced Shakes-Drayton to concentrate on the 400 metres on her return to athletics. She is the 2013 European Indoor Champion in the 400 metres and won a 2012 World Indoor Championship gold medal in the 4 x 400 metres relay. She has also won silver and bronze medals in the 4 × 400 m relay at the World Championships.
Michel Tresor Komesha Tornéus is a Swedish former long jumper.
Brenda Taylor is an American track and field athlete who specialises in the 400 meter hurdles. She reached the final of the event at the 2004 Summer Olympics. She also competed at the 2001 World Championships in Athletics and won a medal at the 2003 IAAF World Indoor Championships in the 4×400-meter relay.
Lauren Boden is an Australian athletics competitor. Her events are the 400 metre hurdles, 400 metres and long jump. She was the youngest woman to win the 400 metres hurdle event at the Australian national championships. She has competed in the long jump event and the 400 metres hurdle event at the World University Games. She has competed at the 2006 and 2010 Commonwealth Games and the 2012 and 2016 Summer Olympics in the 400 metre hurdles event.
Janieve Russell is a Jamaican track and field athlete who competes mainly in the 400 metres hurdles and the 400 metres sprint. She won an Olympic bronze medal in the 4 × 400 m relay in Tokyo 2021, where she also finished fourth in the 400m hurdles final in a personal best of 53.08 secs. She is a four-time Commonwealth Games gold medallist, winning the 400m hurdles title in 2018 and 2022, and the 4 × 400 m relay in 2014 and 2018. She has also won two relay silvers at the World Championships and a relay gold at the World Indoor Championships.
Tilde Johansson, is a Swedish athlete who competes in several disciplines. She competed in 60 metres hurdles at the 2019 European Athletics Indoor Championships in Glasgow. At the European Athletics U18 Championships 2018 she won the gold medal in long jump with 6,33 m. She competed at the 2019 World Athletics Championships in Doha, in the long jump event, where she finished at the 17th place in the qualification.
Sweden 
