Hurdling is the act of jumping over an obstacle at a high speed or in a sprint. In the early 19th century, hurdlers ran at and jumped over each hurdle, landing on both feet and checking their forward motion. Today, the dominant step patterns are the 3-step for high hurdles, 7-step for low hurdles, and 15-step for intermediate hurdles. Hurdling is a highly specialized form of obstacle racing, and is part of the sport of athletics. In hurdling events, barriers known as hurdles are set at precisely measured heights and distances. Each athlete must pass over the hurdles; passing under or intentionally knocking over hurdles will result in disqualification.
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.
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 #8 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 #21 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.
Sandra Glover is an American former track and field athlete who competed in the 400-meter hurdles. She was a medalist in that event at the World Championships in Athletics in 2003 (silver) and 2005 (bronze). She also represented her country at the 2000 Summer Olympics. She was the national champion at the USA Outdoor Track and Field Championships for four consecutive years from 1999 to 2002. She had five victories on the IAAF Golden League circuit during her career.
Claudia Marx is a German athlete. She runs in the 400 metres and the 400 metres hurdles. She also competes in the German team in the 4 × 400 metres relay. She won the 400 metres at the German Athletics Championships in 2003 and 2004 and in the National Indoor Championships in 2005. She is 1.72 metres tall and weighs 59 kg. She currently studies sport sciences at the Humboldt University of Berlin. she came 4th in 400m hurdles.
Natalya Nikolayevna Antyukh is a Russian sprint runner who primarily competes in the 400 metres and 400 metre hurdles. She won the gold medal in 400 m hurdles at the 2012 Summer Olympics, after winning a bronze medal in the 400 m dash at the 2004 Olympics. She is the only woman to win an Olympic medal in both the 400 m hurdles and 400 m dash.
Kezie Uchechukwu Duru Akabusi, MBE, known as Kriss Akabusi, is a British former sprint and hurdling track and field athlete.
Andrea Blackett is a Barbadian athlete who specializes in the 400 metres hurdles. She is also an women's track assistant coach at her alma mater, Rice University.
Yuliya Sergeyevna Pechonkina, née Nosova is a Russian former athlete who specialized in the 400 metres hurdles and 4 × 400 metres relay. She was previously married to former sprinter Evgeny Pechonkin.
Lashinda Demus is an American hurdler who specializes in the 400 meter hurdles, an event in which she was the 2011 world champion and 2012 Olympic silver medalist.
The British Virgin Islands have attended all seven Commonwealth Games since 1990.
Anna Vasylivna Ryzhykova is a Ukrainian track and field athlete who specialises in the 400 metres hurdles. She also competes for her country in the 4×400 metres relay. She won gold medals in the hurdles at the 2011 Summer Universiade and the European Athletics U23 Championships.
Karsten Warholm is a Norwegian athlete who competes in the sprints and hurdles. He is the world record holder in the 400 m hurdles, and has won gold in the event at the World Championships in 2017 and 2019, as well as the 2018 European Championships.
Dalilah Muhammad is an American track and field athlete who specializes in the 400 meters hurdles. A 2016 Rio Olympics champion, she won a gold medal at the 2019 World Championships, setting the former world record with a time of 52.16 seconds. Muhammad is only the second female 400 m hurdler in history, after Sally Gunnell, to have won the Olympic, World titles and broken the world record. In 2019, she added a gold in the 4×400 m relay, having won silver medals in her signature event at the 2013 and 2017 World Championships.
Eric Shauwn Brazas Cray is a Filipino-American track and field athlete who competes in sprinting and hurdling events. He represented the Philippines at the 2013 World Championships in Athletics, competing in the hurdles. He won gold medals at the Southeast Asian Games in 2013 and 2015. Cray currently holds the Filipino national record for the 400 metres hurdles and 100 metres.
Noel Stanley Clough is an Australian former track and field athlete who competed in the 400 metres, 800 metres, and 400 metres hurdles.
Kyron McMaster is an athlete from the British Virgin Islands specialising in the 400 metres hurdles.
The men's 400 metres hurdles at the 2018 Commonwealth Games, as part of the athletics programme, took place in the Carrara Stadium on 10 and 12 April 2018.
Femke Bol is a Dutch track and field athlete who specialises in the 400 metres hurdles and 400 metres. A two time 2021 European Indoor Championships gold medalist, she became 4th fastest woman of all time in the 400 m hurdles on 4 July 2021.
The 2021 European Athletics U23 Championships are the 13th edition of the biennial athletics competition between European athletes under the age of twenty-three. It was planned to be held in Bergen, Norway from 8 to 11 July., but this venue was cancelled for Covid pandemic reasons. Initially it was intended that the event would be postponed and held in another venue after the 2020 Olympic Games. Eventually the original dates were retained, and Tallinn, Estonia was chosen as the venue. This means that Tallinn will be hosting two age-group championships in successive weeks: after the European Athletics U23 Championships, the Kadriorg Stadium will also host between 15-18 July the European Athletics U20 Championships. For the first time in 13 editions, Italian team tops the medal table.
Dominican Republic 
Jamaica 
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Italy