Jeremy Matthew Wariner is a retired American track athlete specializing in the 400 meters. He has won four Olympic medals and six World Championships medals. He is the fourth fastest competitor in the history of the 400 m event with a personal best of 43.45 seconds, behind Wayde van Niekerk, Michael Johnson and Butch Reynolds and the fifth fastest all-time mark when he set it in 2007.
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.
Kerron Stephon Clement is a Trinidadian-born American track and field athlete who competes in the 400-meter hurdles and 400-meter sprint. He held the indoor world record in the 400-meter sprint, having broken Michael Johnson's mark in 2005.
The 4 × 400 metres relay or long relay is an athletics track event in which teams consist of four runners who each complete 400 metres or one lap. It is traditionally the final event of a track meet. At top class events, the first leg and the first bend of the second leg are run in lanes. Start lines are thus staggered over a greater distance than in an individual 400 metres race; the runners then typically move to the inside of the track. The slightly longer 4 × 440 yards relay, on an Imperial distance, was a formerly run British Commonwealth and American event, until metrication was completed in the 1970s.
Andrew Rock is an American sprinter who specializes in the 400 meter dash.
Jeshua Anderson is a retired American sprinter, who specializes in the 400 meter hurdles. He is a 3 time NCAA champion in the 400m hurdles and was the second freshman from Washington State University to ever win the NCAA title. In 2008 Anderson was 400 meter hurdles Junior World Champion and holds the second fastest high school time recorded in the 300m hurdles. He was born and raised in Woodland Hills, California and attended Taft High School. After winning the 2011 Outdoor Championships, Anderson had the competed for team USA at the world championships. He also participated in the 2016 Olympic trials in which he finished as a finalist.
Steven Solomon is an Australian Olympic sprinter. He is a six-time defending Australian 400 metres champion.
Tony McQuay is an American track and field athlete who specializes in the 400 meters. He is a member of the 2012 and 2016 United States Olympic teams, winning a silver medal in the 4 × 400 m relay in 2012 and a gold in the same event in 2016. He is also a two time World Champion in this event.
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.
Kyle Clemons is an American track and field sprinter who competed collegiately for the Kansas Jayhawks and specializes in the 400-meter dash. He was the 2014 champion at the USA Indoor Track and Field Championships and won a bronze medal at the 2014 IAAF World Indoor Championships. His personal best for the event is 44.79.
Michael Arthur Norman Jr. is an American sprinter. He previously held the world best time in the indoor 400 meters at 44.52 seconds. Outdoors, his 43.45, set at the 2019 Mt. SAC Relays is tied as the #4 on the all time list. In 2016, he became the world junior champion in both the 200 meters and 4×100 meter relay. In 2022, he became the world champion in both the 400 meters and 4x400 meter relay.
Jordin Jae Andrade is a track and field hurdler representing Cape Verde at the Olympics in 2016 and 2020 and World Championships in 2017. Dr Jordin Andrade specializes in the 400-meter hurdles. He was a silver medalist in the event at 2015 NCAA Division I Outdoor Track and Field Championships.
Fredrick Lee Kerley is an American professional track and field sprinter who started his career competing in the 400 meters until 2020, when he transitioned to the 100 meters and 200 meters. He has earned several medals at the World Championships in the 400 m and 4 × 400 m relay including an individual bronze and a relay gold at the 2019 edition. Kerley claimed 100 m gold in the 2022 edition.
Rai Benjamin is an American professional hurdler and sprinter specializing in the 400 m and 400 m hurdles. He is the second fastest man in history in the 400 m hurdles with a personal best time of 46.17 s. Benjamin won silver medals at his first Olympic Games in 2021 and at the World Championships in 2019 and 2022 in the men's 400 m hurdles, and gold medals in the 4 × 400 m relay in 2019 and 2021.
Kahmari Montgomery is an American track and field sprinter specializing in the 400 m for Nike. He was the men's 400 m champion at the USA Championships in 2018, and at the NCAA Division I Championships in 2019. He represented the United States in the 4 × 400 m relay at the World U20 Championships in 2016 and at the inaugural Athletics World Cup in 2018, earning gold medals in both competitions.
Jonathan Jones is a sprinter from Barbados.
Emmanuel Bamidele is a Nigerian athlete.
Bryce Deadmon is an American track and field athlete. In July 2023, he became US national champion in the 400 meters.
Elija Godwin is an American athlete who specialises in the 400 metres.
David Kendziera is an American Olympic athlete who runs the 400m hurdles and 110m hurdles.
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