Jeremy Matthew Wariner is a retired American track athlete specializing in the 400 meters. He has won four Olympic medals and six World Championships medals. He is the joint sixth fastest competitor in the history of the 400 m event with a personal best of 43.45 seconds, behind Wayde van Niekerk, Michael Johnson and Butch Reynolds and the fifth fastest all-time mark when he set it in 2007.
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.
Monique Marie Henderson is an American track and field athlete, who specializes in the 400-meter dash. Henderson was a gold medalist in both the 2004 Olympic Games in Athens, Greece and the 2008 Olympic Games in Beijing, China as a member of the American 4×400-meter relay squad.
Kerron Stephon Clement is a Trinidadian-born American track and field athlete who competes in the 400-meter hurdles and 400-meter sprint. He held the indoor world record in the 400-meter sprint, having broken Michael Johnson's mark in 2005.
Antonio McKay Sr. is a former track and field athlete who specialized in the 400 meters.
Tracy Anne Stockwell, OAM,, née Tracy Anne Caulkins, is an American former competition swimmer, three-time Olympic gold medalist, five-time world champion, and former world record-holder in three events.
De'Hashia Tonnek "DeeDee" Trotter is an American athlete. Trotter is a former NCAA national champion in the 400m, and competed in the 2004, 2008, and 2012 Summer Olympics. There, she was a two-time Olympic gold medalist in the 4 × 400 m relay, in addition to a bronze medalist in the 2012 400m event. She placed 5th in the same event in 2004. Trotter is currently a brand ambassador for international company Education First, and a global motivational speaker.
Andrew Rock is an American sprinter who specializes in the 400 meter dash.
The South Carolina Gamecocks represent the University of South Carolina in the NCAA Division I.
Jearl Atawa Miles Clark is an American athlete who competed mainly in the 400 and 800 meters.
Natasha Kaiser-Brown is an American sprinter who specialized in the 400 meter run. As of 2022, she is the head coach of track and field at the University of Missouri in Columbia, Missouri.
Lashinda Demus is a retired American hurdler who specialized in the 400 meter hurdles, an event in which she was the 2011 world champion and 2012 Olympic gold medalist, becoming the first woman from the United States to win the Olympic 400 m hurdles title.
The Michigan Wolverines men's track and field team is the intercollegiate track and field program representing the University of Michigan. The school competes in the Big Ten Conference in Division I of the National Collegiate Athletic Association (NCAA).
Francena Lynette McCorory is a retired American track and field athlete, known primarily for running the 400 meters. She was the 2011 World bronze medalist in the 400 meters and was a member of the gold medal-winning 2012 and 2016 United States Olympic 4 x 400 m relay teams. She was the IAAF 400 meter Indoor World Champion in 2014. McCorory retired in 2021.
English Gardner is an American track and field sprinter who specializes in the 100-meter dash. She has a personal best of 10.74 seconds, set in 2016.
Ashley Spencer is an American track and field athlete who competes in the 400 metres and the 400 metres hurdles. In the 400m hurdles, she is the 2016 Olympic bronze medalist. In the 400m, she is the 2012 World Junior Champion and the 2016 World Indoor silver medalist. She is coached by 1996 Olympic bronze medalist Tonya Buford-Bailey.
Chanelle Price is an American middle-distance runner who specializes in the 800-meter run. She has a personal record of 1:58.73 for the distance. She was the gold medalist at the IAAF World Indoor Championships in 2014.
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.
D'Andre "DeeDee" Hill is an American track and field coach and former athlete. She competed in sprint events, mainly in 100-meter dash. Her personal record in the event was 10.92 seconds. She represented her country over 100 m at the 1996 Atlanta Olympics and shared in a gold medal in the 4×100-meter relay at the 1995 World Championships in Athletics, having run in the heats only.
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.
