Naman Keïta is a track and field athlete, who takes part in the 400 m hurdles and 4 x 400m relay, competing internationally for France. He won the 4x400m relay gold medal at the 2003 World Championships in Paris, France. He was the bronze medalist in the 400 metres hurdles at the 2004 Olympic Games in Athens, Greece. Besides, he won a gold medal and a bronze medal in the 4x400 m relay at the European Athletics Championships.
Alvin Leonardo Harrison is an American former track and field athlete who competed in sprinting events. He won a gold medal in the 4 x 400 metres relay at both the 1996 and 2000 Summer Olympics and a silver medal in the 400 metres at the 2000 Summer Olympics.
Leslie Djhone is a French track and field athlete who competes in the 400 metres and 4 x 400 metres relay.
Marc Raquil is a French runner of Martiniquais origin who competes in the 400 metres and 4x400m relay. He won the 4x400m relay gold medal and the 400m silver medal at the 2003 World Championships. In 2004, his 4x400m relay team was retroactively awarded gold medals after the United States 4x400m relay team was stripped of its gold medals due to the failed drug tests of two members of the relay. Since Jerome Young had also finished first in the 400m at the 2003 World Championships, the failed drug test also resulted in Raquil being retroactively awarded a silver medal in the 400m. Raquil has also won three gold medals and one bronze medal at the European Indoor and Outdoor Championships.
The 1972 Summer Olympics were held in Munich, West Germany. 29 events in swimming were contested. There were a total of 532 participants from 52 countries competing.
The swimming competitions at the 1968 Summer Olympics in Mexico City took place from 17 to 26 October at the Alberca Olímpica Francisco Márquez. Swimming featured a record total of 29 events. There was a total of 468 participants from 51 countries competing. The United States dominated the competition, winning 52 of 87 possible medals. 15-year-old American phenom Debbie Meyer from Maryland won three gold medals.
Marita Payne-Wiggins is a Canadian former track and field athlete who competed in two consecutive Summer Olympics. She is the co-Canadian record holder in the 400 metres, along with Jillian Richardson, and previously held the Canadian record in the 200 metres.
John Hugh Cooper was a British athlete who competed mainly in the 400 metre hurdles.
Ivan Harris Riley was an American athlete who competed mainly in the 400 metre hurdles. He competed for the United States in the 1924 Summer Olympics held in Paris, France in the 400 metre hurdles where he won the bronze medal.
Edward James Toms was a British athlete who competed mainly in the 1924 Summer Olympics.
Richard Nicholson Ripley was a British athlete who competed mainly in the 400 metres.
Jacques Lunis was a French athlete who competed mainly in the 400 metres.
Robert Claude Henri Chef d'Hôtel was a track and field athlete from France, who competed mainly in the men's 400 metres during his career. He was born in Nouméa, Sud, New Caledonia in February 1922.
Jacques Carette is a former athlete from France who competed mainly in the 400 metres.
Phara Anacharsis is a French athlete who specializes in the 400 metres and the 400 metres hurdles.
Maria Benedicta Chigbolu is an Italian sprinter, who specializes in the 400 metres. She competed at the 2020 Summer Olympics, in 4 × 400 m relay.
Yasmani Copello Escobar is a Cuban-born track and field hurdler who represents Turkey internationally. His personal best for the 400 metres hurdles is 47.81 seconds, set in the final of the 2018 European Athletics Championships in Berlin.
Dylan Borlée is a Belgian sprinter who competes in the 400 metres. He is a member of the Borlée family.
Alexander Doom is a Belgian sprinter specializing in the 400 metres. In 2024, he became the first male athlete to win the individual 400 metres and 4×400 metres relay at the same World Athletics Indoor Championships He has won several medals in international competitions with the Belgian 4 × 400 metres relay team and holds a personal best of 44.15 over the 400 metres.
Ahmed Ayoub Hafnaoui is a Tunisian swimmer. He is the African record holder in the long course 400-metre and 1500-metre freestyle, and the short course 800-metre and 1500-metre freestyle events. He competed in the 2020 Summer Olympics, where he won a gold medal in the men's 400-metre freestyle. He ranked No. 16 in the world and was the slowest qualifier for the final race but won Olympic gold with a time of 3:43.36. Hafnaoui was the only Tunisian to win Olympic gold at Tokyo 2020.
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