Roland Mark Schoeman OIS is a South African American swimmer and was a member of the South African swimming team at the 2000, 2004, 2008 and 2012 Olympic Games. In May 2022, he officially became a citizen of the United States.
Yvonne Harrison Castro, also spelled Ivonne is a Puerto Rican athlete who specialized in the 400 metres hurdles. She competed at two World Junior Championships, two World Championships, one World Indoor Championships and one Olympic Games.
Jennifer Elaine "Jenny" Stoute is English former sprinter. She represented Great Britain at the 1988 Olympic Games in Seoul and the 1992 Olympic Games in Barcelona, where she won a bronze medal in the 4x400 metres relay. She also appeared as Rebel in the ITV show Gladiators from 1996 to 1999.
Sunday Bada was a Nigerian sprinter who specialized in the 400 metres event. He won three medals at the World Indoor Championships, including a gold medal in 1997. His personal best time was 44.63 seconds, and with 45.51 seconds indoor he holds the African indoor record. He set a national record in the 4 x 400 metres relay at the 2000 Olympics, where the Nigerian team also won gold medals after the disqualification of the US team who had finished first.
Michael L. McDonald is a Jamaican runner who competed mainly in the 400 metres.
Amantle Montsho is a female sprinter from Botswana who specializes in the 400 metres. She represented her country at the 2004 and 2008 Summer Olympics, reaching the final at the latter edition. She was the first woman to represent Botswana at the Olympics. She has also competed at the World Championships in Athletics and the IAAF World Indoor Championships, and is the former World Champion over the 400m, winning in a personal best time of 49.56 in Daegu.
Joy Amechi Eze is a Nigerian sprinter who specializes in the 400 metres. Her personal best time is 51.20 seconds, set during the 2007 All-Africa Games.
Linda Staines is a female former British track and field athlete who competed mainly in the 400 metres. She represented Great Britain at the 1988 Olympic Games in Seoul in both the 400 metres and 4 x 400 metres relay, and won a bronze medal in the 4 × 400 m relay at the 1993 World Championships. She also won four medals at the Commonwealth Games, including an individual silver medal in the 400 metres in 1990 and two relay gold medals.
David Kitur is a retired Kenyan runner, who specialised in 400 metres.
Rose Tata-Muya is a retired runner from Kenya who specialised mainly in the 400m hurdles. She won medals at the continental level and competed at the Olympics, World Championships and Commonwealth Games.
Muizat Ajoke Odumosu Alademerin is a Nigerian track and field athlete who specialises in the 400 metres and the 400 metres hurdles. She represented Nigeria at the 2008 and 2012 Summer Olympics and competed at the World Championships in Athletics in 2007, 2009, 2011 and 2013. She was the bronze medallist at the 2007 All-Africa Games and went on to become the continental champion with a win at the 2008 and 2012 African Championships.
Angela Mary Gilmour is an English former track and field athlete who competed in the 400 metres and the 4 x 400 metres relay. In the relay, she represented Great Britain at the 1988 Olympic Games in Seoul, South Korea, while at the Commonwealth Games, she won a silver medal in Edinburgh 1986 and a gold medal in Auckland 1990.
Douglas John Erasmus is a South African swimmer who qualified to compete at the 2016 Summer Olympics held in Rio de Janeiro, Brazil.
Amanda Kotze is a retired South African sprinter who specialized in the 400 metres.
Tracy Carol Joseph is a British former athlete who competed in the 400 metres and long jump. She won a bronze medal 4 × 400 metres relay at the 1993 World Championships representing Great Britain, and a gold medal in the 4 × 400 metres relay at the 1994 Commonwealth Games representing England. She was also a member of the British quartet that won at the 1994 European Cup.
Praise Oghenefejiro Idamadudu is a Nigeria female track and field sprinter who competes in the 200 metres and the 400 metres. She was a silver medallist in the 4 × 400 metres relay at the 2018 Commonwealth Games.
Duné Coetzee is a South African swimmer. She competed in the women's 400 metre freestyle at the 2019 World Aquatics Championships. She also competed in the women's 4 x 200 metres freestyle relay at the 2020 Summer Olympics.
Rebecca Meder is a South African swimmer. She is the African record holder in the 100 metre individual medley and the South African record holder in the long course and short course 200 metre individual medley. At the 2022 World Short Course Championships, she placed sixth in the final of the 100 metre individual medley. In the 200 metre individual medley at the 2022 Commonwealth Games, she placed fourth in the final. At the 2021 African Championships, she won 11 gold medals, six in individual events and five in relay events, swimming on the finals relay for each of the five relay events.
Zacharia Kamberuka is a retired Botswanan sprinter who specialized in the 400 metres.
Miranda Charlene Coetzee is a South African sprinter. She won gold at the 2022 African Athletics Championships over 400 metres.
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