Bertland "Bert" Cameron is a retired Jamaican sprinter who mainly competed over 400 metres. He represented Jamaica at three consecutive editions of the Summer Olympics. Cameron won the 400 m title at the first World Championships in Athletics. He was also the 1982 Commonwealth Games champion in the event and won a number of gold medals at regional competitions. He helped the Jamaican runners to a silver medal in the 4×400 metres relay at the 1988 Seoul Olympics.
Jerzy Pietrzyk is a retired Polish sprinter who specialized in the 400 metres.
John Bryan Bronson is an American 400-meter hurdler, who won the bronze medal at the 1997 World Championships in Athens. He also represented his country at the 1996 Summer Olympics. He won three consecutive titles at the USA Outdoor Track and Field Championships from 1996 to 1998.
Elvis Forde is a retired Barbadian sprinter who specialized in the 400 metres. He was the flag bearer for his native country at the opening ceremony of the 1988 Summer Olympics.
David Peltier is a retired Barbadian sprinter who specialized in the 400 metres.
Richard Louis is a retired Barbadian sprinter who specialized in the 400 metres.
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.
Esther Julia "Daysi" Duporty Torres is a retired sprinter from Cuba, who competed at three consecutive Summer Olympics, starting in 1992. She set her personal best (50.61) in the women's 400 metres event on 6 September 1994 in Madrid.
Rosibel García Mina is a Colombian track and field athlete who specialises in middle-distance running events. She has represented her country at the Summer Olympics and has also competed at the World Championships in Athletics.
Tiandra Tamika Ponteen is a Saint Kitts and Nevis sprinter who specializes in the 200 metres and the 400 metres.
Jan Balachowski is a retired Polish sprinter who specialized in the 400 metres.
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.
Colin Bradford is a Jamaican former track and field athlete who specialised in sprinting events. He represented Jamaica at the Olympic Games in 1976 and 1980.
Michael "Mike" Franks is a former American track and field athlete who competed in the 400-meter dash.
Darlenys Obregón Mulato is a Colombian track and field athlete who competes in the sprinting events, primarily the 200 metres in which she has a personal best of 23.09 seconds. She represented her country at the 2008 Summer Olympics and the 2012 Summer Olympics and is a three-time participant in the World Championships in Athletics.
Luguelín Miguel Santos Aquino is a Dominican sprinter, who specialises in the 400 m. He was the silver medallist in the event at the 2012 London Olympics at the age of eighteen. His personal best is 44.11 seconds.
Michael Sands is a Bahamian former track and field sprinter. During his peak he held the Bahamian records from 100 metres to 400 metres.
Jacqueline "Jackie" Pusey is a Jamaican former track and field sprinter. She competed over distances from 100 metres to 400 metres. She represented Jamaica at the 1976 Summer Olympics and competed a second time at the 1980 Summer Olympics.
John Mair is a Jamaican former track and field sprinter who competed in the 100 metres and 200 metres. He won several medals with the Jamaican relay team, taking Jamaica's first World Championships relay medal at the 1987 World Championships in Athletics, as well as a bronze medal at the Pan American Games in 1987 and two relay bronze medals at the 1990 Commonwealth Games.
Clive George Wright, Jr. is a Jamaican former track and field sprinter who specialised in the 200 metres. He won several medals with the Jamaican relay team, taking Jamaica's first World Championships relay medal at the 1987 World Championships in Athletics, as well as a bronze medal at the Pan American Games in 1987 and two relay bronze medals at the 1990 Commonwealth Games.
Barbados 
