Darvis "Doc" Darell Patton is a retired American track and field athlete who competed in sprinting events. He is a two-time US Champion in the 200-meter dash and won the silver medal in the event at the 2003 World Championships. He is a three-time Olympian and a four-time participant at the World Athletics Championships.
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 fourth 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.
Angelo F. Taylor is an American track and field athlete, winner of 400-meter hurdles at the 2000 and 2008 Summer Olympics. His personal record for the hurdles event is 47.25 seconds. His time puts him in a tie with Félix Sánchez for the #14 performer of all time. Sánchez also won two Olympic gold medals, in 2004 between Taylor's two golds and 2012, immediately following. Taylor also has a 400-meter dash best of 44.05 seconds, ranking him as the #25 performer of all time, superior to any other athlete who has made a serious effort in the 400 metres hurdles. He won the bronze medal in the 400 m at the 2007 World Championships in Athletics.
Lauryn Williams is an American sprinter and bobsledder. She was the gold medalist in the 100 meter dash at the 2005 World Championships in Athletics and won silver medals at the 2004 Summer Olympics, 2007 World Championships, and 2006 IAAF World Indoor Championships. She won a silver medal in the two-woman bobsleigh at the 2014 Winter 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.
Dennis Allen Mitchell is an American former college and international track and field athlete, who was a member of the gold medal-winning team in the 4 x 100 meters relay race at the 1992 Summer Olympics.
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.
Michael Blackwood is a Jamaican male track and field athlete, who specialized in the 400 meters, his personal best being 44.60 set during his win at the 2002 IAAF World Cup. He was chosen as the Jamaica Sportsman of the Year in 2002, in that same year he was the world number one rank by IAAF in the 400 meters. He is the brother of Catherine Scott who earned a silver medal in the 2000 Sydney Olympic Games. Blackwood won the NAIA national 400 meters title in 1997. He is the winner of Jamaica 400 meters national championships three times. Blackwood holds the Big 12 conference record in the 400 meters since 2000 in the time of 44.69. He is an alumnus of The University of Oklahoma.
Marek Plawgo is a Polish athlete. He mainly competes in the 400 meters hurdles, but he also starts in the 400 meters and the 4 x 400 meters relay.
Gabriel Tiacoh was a sprinter from Côte d'Ivoire who specialised in the 400 metres. He is best known for winning his nation's first Olympic medal, in the 400 meters in 1984.
Jason Richardson is an American track and field athlete who specializes in the 110 meter hurdles. He won the gold medal in the 110 meter hurdles at the 2011 World Championships in Daegu, and the silver medal in the same event at the 2012 Summer Olympics in London. His personal best for the event is 12.98 seconds, set in June 2012 at the U.S. Olympic Trials.
Louis Jacobus van Zyl, better known as L. J. van Zyl, is a South African athlete competing in the 400 metre hurdles. He is the South African record holder in the event with a personal best of 47.66 seconds, which he achieved twice, three months apart. His time ranks him in the all-time top 25. He is a three-time African Champion in the event and competed for his country at the 2008, 2012 and 2016 Summer Olympics.
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.
LaShawn Merritt is an American track and field athlete who competes in sprinting events, specializing in the 400 metres. He is a former Olympic champion over the distance and his personal best of 43.65 seconds makes him the ninth fastest of all time.
Michael Mathieu is a retired Bahamian sprinter from Freeport, Grand Bahama who specialized in the 200 metres and 400 metres. He was part of the Bahamian silver medal-winning team in the men's 4×400 metres relay at the 2008 Beijing Olympics, running second leg and recording a 44.0 split, and the gold medal-winning team at the 2012 Summer Olympics. He was also a part of second place relay team at the 2007 World Championships. He won the bronze medal in the 4x400 metres relay in the 2016 Summer Olympics.
Brenda Taylor is an American track and field athlete who specialises in the 400 meter hurdles. She reached the final of the event at the 2004 Summer Olympics. She also competed at the 2001 World Championships in Athletics and won a medal at the 2003 IAAF World Indoor Championships in the 4×400-meter relay.
Nickel Ashmeade is a Jamaican sprinter who specialises in the 100 and 200 meters.
Charles Houchin is an American former competition swimmer who has had his greatest international success in freestyle relay events. He earned a gold medal as a member of the winning United States team in the 4×200-meter freestyle relay at the 2012 Summer Olympics. He is the CEO and founder of Swimmingly.
Deon Minor is an American former track and field athlete who specialized in the 400 meter dash. He won two consecutive gold medals in the relay at the IAAF World Indoor Championships from 1997 to 1999, setting a world record mark of 3:02.83 minutes in the latter competition.
