Michael Duane Johnson is an American retired sprinter who became Olympic Champion four times, and World Champion eight times in the span of his career. He held the world and Olympic records in the 200 m and 400 m, as well as the world record in the indoor 400 m. He also once held the world's best time in the 300 m. Johnson is generally considered one of the greatest and most consistent sprinters in the history of track and field.
Jerome Young is an American former track and field sprinter who specialized in the 400-meter dash. He won gold medals with the United States 4 × 400-meter relay team at the 2001 World Championships in Athletics and 1997 World Championships in Athletics, but was later stripped of these medals due to doping and was ultimately banned from the sport. He also was the heats runner for the relay team at the 2000 Summer Olympics, where the Americans won gold, but this medal was rescinded as well.
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 joint 29th 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.
Antonio Pettigrew was an American sprinter who specialized in the 400 meters.
Alvin Leonardo Harrison is an American former track and field athlete who competed in sprinting events. He won a gold medal in the 4 x 400 metres relay at both the 1996 and 2000 Summer Olympics and a silver medal in the 400 metres at the 2000 Summer Olympics.
Calvin Harrison is an American athlete. He won a gold medal in the men's 4 × 400 metres relay at the 2000 Summer Olympics in Sydney, Australia. He is the identical twin brother of fellow Olympic medalist Alvin Harrison. At the 2000 Olympics, Alvin Harrison and Calvin Harrison made history by becoming the first twins ever to compete and win Olympic gold medals together on the same relay team since the inception of the modern Olympic Games. In the 4 × 400 m relay, Alvin ran the first leg and Calvin ran the third leg. In 2008, the 2000 Sydney Olympics 4×400 metres relay US team was stripped of their medals after teammate Antonio Pettigrew admitted that he had used performance-enhancing drugs.
Antonio McKay Sr. is a former track and field athlete who specialized in the 400 meters.
The 4 × 400 metres relay or long relay is an athletics track event in which teams consist of four runners who each complete 400 metres or one lap, totaling 1600 meters. It is traditionally the final event of a track meet. The first leg and the first bend of the second leg are run in lanes. Start lines are thus staggered over a greater distance than in an individual 400 metres race; the runners then typically move to the inside of the track. The slightly longer 4 × 440 yards relay, on an Imperial distance, was a formerly run British Commonwealth and American event, until metrication was completed in the 1970s.
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.
Jean Éric Milazar is a Mauritian athlete competing in the 200 metres and 400 metres. He was born in Rodrigues and currently resides in Coromandel, Mauritius. He is married to Natacha Ramen-Milazar since 2006 an ex volleyball player and together they have two kids Ericson and Erica.
Troy McIntosh is a male sprinter from The Bahamas. He represented his nation at the Summer Olympics in 1996 and 2000. He had his greatest achievements with the Bahamian 4×400 metres relay team. He won the bronze medal in that event at the 2000 Summer Olympics after the United States team were retrospectively disqualified due to doping. This same disqualification, of Antonio Pettigrew, also resulted in Bahamas taking the gold medal at the 2001 World Championships in Athletics, where McIntosh was initially a silver medallist.
LaShawn Merritt is a retired American track and field athlete who competed 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 eleventh fastest of all time.
Rabah Mahhamed Yousif Bkheit is a Sudanese-born British track and field athlete, who initially competed for Sudan before obtaining British citizenship.
Nduka Awazie is a Nigerian athlete and Olympic medalist and the 400 meters world Junior Champion. He won the world junior title at the 8th IAAF World Junior Championship held in 1998 Annecy, France. He attended Eastern Michigan University.
In 2010 there was no obvious, primary athletics championship, as neither the Summer Olympics nor the World Championships in Athletics occurred in the year. The foremost championships to be held in 2010 included: the 2010 IAAF World Indoor Championships, 2010 European Athletics Championships, 2010 African Championships in Athletics, and Athletics at the 2010 Commonwealth Games.
At the 1998 Goodwill Games, the athletics events were held at the Mitchel Athletic Complex in Uniondale, New York, United States from 19 to 22 July. The programme consisted of 44 track and field events, of which 22 were contested by male athletes and 22 by female athletes. With the introduction of the women's hammer throw and mile run, the men's and women's programmes achieved equivalent parity for the first time. The United States topped the athletics medal table for a third consecutive edition winning 17 gold medals and 55 medals in total. Russia were the next best performing nation, with 11 golds and 21 medals. Kenya, Cuba and Jamaica rounded out the top-five countries.
Carl Oliver Jr. is a Bahamian former track and field sprinter who specialised in the 400 metres. He is the current secretary of the Bahamas Association of Athletic Associations. His greatest achievements on the track came with the Bahamian 4×400 metres relay team. He was a bronze medallist in the relay at the 2000 Summer Olympics and was also a finalist at the 1996 Atlanta Olympics and the 1999 World Championships in Athletics. He helped set a national record of 3:02.85 minutes at the 1995 World Championships in Athletics.
Kendall Baisden is an American track and field sprinter who specializes in the 400-meter dash. She holds a personal record of 50.46 seconds for the distance, set in 2014.
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.
The 4 × 400 metres relay at the World Championships in Athletics has been contested by both men and women since the inaugural edition in 1983. The competition features three formats in relation to gender: men, women, and mixed. The 2019 edition added in the mixed competition. The format utilizes one set of heats qualifying the top 8 into a final.
United States 
