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.
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.
Joachim Brøchner Olsen is a Danish former politician and former world class shot putter. He was elected to the Danish parliament at the 2011 election, representing the Liberal Alliance in the Greater Copenhagen constituency.
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.
Kirani James is a Grenadian professional sprinter who specializes in the 400 metres. He won the 400 m at the World Championships in 2011, and the 2012 London Olympics. In the 400 metres, James also won the silver medal at the 2016 Rio Olympics, and bronze medal at the 2020 Tokyo Olympics, thus becoming the first man to earn the full set of three medals in the centennial history of the event. He is Grenada's first and only Olympic medalist. He holds the Grenadian national record in both the 200 metres and 400 metres.
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.
Arman "Gino" Hall is an American sprinter specializing in the 400m. He is a World and Olympic gold medalist as a member of USA's 2014 and 2016 4 × 400 m relay teams.
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.
The NCAA Division I Women's Outdoor Track and Field Championships are the annual collegiate track and field competitions for women athletes representing Division I institutions organised by the National Collegiate Athletic Association (NCAA). Athletes' performances in individual championships earn points for their institutions and the team with the most points receives the NCAA team title in track and field. A separate NCAA Division I men's competition is also held. These two events are separate from the NCAA Division I Women's Indoor Track and Field Championships and NCAA Division I Men's Indoor Track and Field Championships held during the winter. The first edition of the championship was held in 1982.
Karsten Warholm is a Norwegian sprinter who competes in the 400 metres and 400 m hurdles. He is the 2020 Tokyo Olympic champion, a three-time world champion and the world record holder in the latter event.
Daniel Wallace is a retired Scottish swimmer who has represented Great Britain in the Olympic Games and FINA world championships, and Scotland in the Commonwealth Games. The 2014 Commonwealth Games champion at 400 metre individual medley, he was part of the Great Britain 4 x 200 metre freestyle relay team that won gold at the 2015 FINA World Aquatics Championships, and silver at the same event at the 2016 Summer Olympics. In June 2023, Dan Wallace swam the channel, as part of a 5-man relay team, in aid of multiple charities, raising over £200.000 in aid of Cancer Research and funds to support Ukrainian refugees.
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.
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.
Stanley Grant Holloway is an American professional hurdler and sprinter. He is a three-time world champion, 2020 Tokyo Olympic silver medalist in the 110 meters hurdles and the second-fastest man in history at the event with a personal best of 12.81 seconds, set at the U.S. Olympic Trials on June 26, 2021. In the 60 meters hurdles, Holloway is the 2022 Belgrade and 2024 Glasgow World Indoor champion and the world indoor record holder with a time of 7.27 seconds set at the 2024 USA Track & Field Indoor Championships.
Wadeline Jonathas is an American track and field athlete. She won gold medal in the women's 4 × 400 meters event at the 2019 World Athletics Championships and finished in 4th place in the 400 meters, in 49.60 seconds. Jonathas represents United States in women's 400 meters at the 2020 Tokyo Olympics.
Jacory Patterson is an American track and field athlete specializing in the sprints. A native of Columbia, South Carolina, he won a gold medal at the 2016 USATF Junior Olympics in the long jump before focusing on sprinting events. Patterson attended Dreher High School in Columbia, where he broke the state record in the 200 m and won a state title in the 400 m.
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