Matthew Nicholas Biondi is an American former competitive swimmer and water polo player. As a swimmer, he is an eleven-time Olympic medalist, and former world record-holder in five events. Biondi competed in the Summer Olympic Games in 1984, 1988 and 1992, winning a total of eleven medals. During his career, he set three individual world records in the 50-meter freestyle and four in the 100-meter freestyle.
Joanna Dove Hayes is an American hurdler, who won the gold medal in the 100 metres hurdles at the 2004 Summer Olympics.
Allyson Michelle Felix is a retired American track and field athlete who competed in the 100 meters, 200 meters and 400 meters. She specialized in the 200 meters from 2003 to 2013, then gradually shifted to the 400 meters later in her career. At 200 meters, Felix is the 2012 Olympic champion, a three-time world champion (2005–2009), a two-time Olympic silver medalist, and the 2011 world bronze medalist. At 400 meters, she is the 2015 world champion, 2011 world silver medalist, 2016 Olympic silver medalist, 2017 world bronze medalist, and 2020 Olympic bronze medalist. Across the short distances, Felix is a ten-time U.S. national champion.
Danny Everett is an American former track and field athlete who competed in sprinting events, specializing in the 400 metres. He won bronze medals in the 400m at the 1988 Olympic Games and at the 1991 World Championships, and won gold medals in the 4 × 400 m relay at the 1987 World Championships and the 1988 Olympic Games. His 400m best of 43.81 seconds when winning the 1992 US Olympic trials, moved him to second on the world all-time list and still ranks him 17th on the world all-time list. As of August 2024, his time of 43.81 remains the track record for New Orleans.
Valerie Brisco-Hooks is an Olympian who won three gold medals as an Olympic track and field athlete at the 1984 Olympics at Los Angeles, California, making her the first Olympian to win gold medals in both the 200- and 400-meter races at a single Olympics.
Kathryn Jane Cook is a former elite athlete, specialising in sprint and sprint relays. She is one of the most successful female sprinters in British athletics history. She is three-times an Olympic bronze medallist, including at 400 metres in Los Angeles 1984. Her other individual achievements include winning the 200m at the 1981 Universiade, finishing second in the 100m at the 1981 World Cup, and winning a bronze medal in the 200m at the 1983 World Championships. She is also three-times a winner of the British Athletics Writers' Association Female Athlete of the Year Award (1980–82).
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.
Sandra Marie Farmer-Patrick is a Jamaican-born American former athlete who competed mainly in the 400 metres hurdles. She won silver medals in that event at the 1992 Olympic Games in Barcelona, and at the 1993 World Championships in Stuttgart. She also won the 400 metres hurdles at the World Cup in 1989 and 1992. Her best time for the event of 52.79 seconds (1993), is the former U.S. record. That performance once ranked her second on the world all-time list, and as of 2024, ranks her 15th on the world all-time list.
Jillian Cheryl Richardson-Briscoe is a Canadian athlete who competed mainly in the 400 metres. She is a three-time Olympian. In 1988, she equalled Marita Payne's Canadian 400 metres record of 49.91 secs. The record still stands. She was inducted into the Athletics Canada Hall of Fame in 2017.
Sherri Frances Howard is a former American athlete who competed mainly in the 400 metres. She is the older sister of 1988 relay teammate Denean Howard.
Dr. Sheila Ann Hudson is an American former track and field athlete and Olympian, ranked among the all-time greatest U.S. competitors in the women's triple jump. Throughout her career, she won nine U.S. triple jump titles, and set two world bests and nine American records. She previously held the indoor American record in the women's triple jump (46-8.25) as well as the outdoor American record in women's triple jump (47-3.5) with a wind aided all-time best jump of 48-1.25. Hudson won the silver medal at the 1994 IAAF World Cup, finished eighth at the 1995 World Indoor Championships, tenth at the 1996 Olympic Games and fifth at the 1998 IAAF World Cup.
Dalilah Muhammad is an American track and field athlete who specializes in the 400 meters hurdles. She is the 2016 Rio Olympics champion and 2020 Tokyo Olympics silver medalist, becoming at the latter the then-second-fastest woman of all time in the event with her personal best of 51.58 seconds. Muhammad was second at both the 2013 and 2017 World Championships to take her first gold in 2019, setting the former world record of 52.16 s. She was the second female 400 m hurdler in history, after Sally Gunnell, to have won the Olympic, World titles and broken the world record. At both the 2019 World Championships and Tokyo Games, she also took gold as part of women's 4 × 400 metres relay team.
Randy Jenelle Givens is an American former track and field athlete who competed in sprinting events. She set personal bests of 11.06 seconds for the 100-meter dash and 22.31 seconds for the 200-meter dash. Givens was a 200 m finalist at the 1984 Olympic Games and represented her country at the 1983 World Championships in Athletics. She was the 200 m gold medalist at the 1983 Pan American Games and returned to win a silver medal at the 1987 edition.
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 on sixth 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.
Sydney Michelle McLaughlin-Levrone is an American hurdler and sprinter who competes in the 400 meters hurdles and is the world record holder in that event. She has won gold in the 2020 and 2024 Summer Olympics, as well as the 2022 World Athletics Championships. She set a world record time of 50.37 seconds at the 2024 Summer Olympics on August 8, 2024, breaking her own old world record of 50.65 seconds. She is the first track athlete to break four world records in the same event; setting four world records during 13 months, she was the first woman to break the 52-second and 51-second barriers in the 400 m hurdles. She won the silver medal at the 2019 World Championships. At all four competitions, she also took gold as part of a women's 4 × 400 m relay team.
Laviai Nielsen is a British sprinter specialising in the 400 metres.
Athing Mu is an American middle-distance runner. She is the youngest woman in history to hold Olympic and world titles in an individual track and field event. At the age of 19, Mu won the gold medal in the 800 meters at the 2020 Tokyo Olympics, breaking a national record set by Ajeé Wilson in 2017, and a continental under-20 record. She took a second gold as part of the women's 4 × 400 m relay. She was the 800 m 2022 World champion, becoming the first American woman to win the world championship title over the distance.
Breanna Clark is an American Paralympic athlete who has competed in T20 category races. She was diagnosed with autism at age four.
Anna Cockrell is an American track and field athlete competing in sprinting and hurdling. She is a two-time medalist at the 2019 Pan American Games in Lima, Peru and won the silver medal at the 2024 Summer Olympics in 400 m hurdles event.
Talitha LaNae Clark Diggs is an American track and field sprinter specializing in the 400 meters. Diggs won the 2022 U.S. national 400 m title.
