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.
Maritza Correia, also known by her married name Maritza McClendon, is a former Olympic swimmer from Puerto Rico who swam representing the United States. When she qualified for the U.S. Olympic team in 2004, she became the first Puerto Rican of African descent to be a member of the U.S. Olympic swimming team. She was the first female African-American swimmer for the United States to win an Olympic medal. She also became the first black American swimmer to set an American and world swimming record.
Me'Lisa Barber is an American sprinter. After graduating from University of South Carolina, she was the 2005 USA Outdoor Champion in the 100 metres and the 2006 World Indoor Champion in the 60 metres. She was also one of the 2003 World Champions in the 4 × 400 metres relay and one of the 2005 World Champions in the 4 × 100 metres relay.
Brigitte Heike Meissner is a retired German athlete. She competed mainly in the 400 metres hurdles, but also spent two seasons specializing in the 800 metres. Notable achievements include a silver medal at the 2002 European Championships, medals in 4 x 400 metres relay at the 1994 European Championships and the 1997 World Indoor Championships and a fourth place at the 1995 World Championships.
Monique Hennagan is an American athlete who mainly competes in the 400 metres. She won her first relay medal at the 1999 World Indoor Championships and her second in 2003.
Kaltouma Nadjina is a Chadian sprinter. Her specialities are the 200 and 400 metres, and she holds Chadian records in those events, the 100 m, and the 800m. She won the 200 m events at the 2001 Jeux de la Francophonie held in Ottawa, Ontario, Canada and the 200 and 400 m in the 2002 African Championships held in Tunis.
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.
Geisa Aparecida Muniz Coutinho is a Brazilian track and field athlete who competes in the 400 metres sprint. She represented Brazil at the 2004 Summer Olympics and at the 2012 Summer Olympics and is a four-time participant in the World Championships in Athletics. Her personal best in the 400 m is 51.08 seconds, and she holds the South American record of 3:26.68 minutes for the 4×400 metres relay.
María Princesa Oliveros Bohórquez is a Colombian track and field athlete who competes in the 100 metres hurdles and 400 metres hurdles events. Her personal bests are 13.41 seconds and 56.26 seconds, respectively. She was the gold medallist in the 400 m hurdles at the 2011 Pan American Games, at which she also won a 4×400 metres relay bronze medal in a Colombian record time.
Gnima Faye is a Senegalese track and field athlete who competes in the 100 metres hurdles. She was the 2012 African champion in the event and has a personal best of 13.17 seconds.
Regina George Grause is an American-born Nigerian sprinter who specializes in the 400 metres. She represented Nigeria at the 2012 Summer Olympics and was the silver medallist at the African Championships in 2012.
Patience Okon George is a Nigerian sprinter. She competed in the 400 metres event at the 2015 World Championships in Athletics in Beijing, China and also at the 2016 Rio Olympic Games. George is a two-time African Championships bronze medallist in the individual 400 metres event. She is also a three-time Nigerian national champion in the 400 metres.
Dominique Lynn Duncan is an American-Nigerian sprinter who is eligible to compete for her home country Nigeria after switching allegiance from the United States of America in 2014. Dominique is a national and African record holder after she won gold alongside Blessing Okagbare, Regina George and Christy Udoh in the Women's 4 × 200 metres relay event at the 2015 IAAF World Relays in Nassau, Bahamas.
Dikeledi Moropane is a retired South African sprinter who specialized in the 400 metres.
Adri Schoeman is a retired South African sprinter who specialized in the 400 metres.
Suziann Reid is an American-Jamaican former track and field sprinter who specialized in the 400-meter dash. She set a personal record of 50.74 seconds for the distance in 1999. She was a silver medalist with the American women's 4 × 400-meter relay team at the 1999 World Championships in Athletics. She was part of the World Championship team twice more, in 2001 and 2005, and helped the United States to silver at the 2002 IAAF World Cup and gold at the 2001 Goodwill Games.
Dominique Blake is a Jamaican track and field athlete. Blake won a gold medal at the 2010 Central American and Caribbean Games and was accidentally awarded a bronze medal at the 2012 Summer Olympics. She was banned for 4+1⁄2 years after testing positive for methylhexanamine and returned to athletic competition in 2017.
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.
South Africa 
