Belize sent a delegation to compete at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the Central American country's ninth appearance at a Summer Olympic Games. The delegation consisted of two track and field athletes: Michael Aguilar and Emma Wade; neither advanced beyond the first round of their events.
Gregory Haughton is a Jamaican 400 metres runner. He won three Olympic medals, one at the 1996 Summer Olympics and two at the 2000 Summer Olympics. His personal best for the 400 m was 44.56 seconds.
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.
Marianne Louise Limpert is a Canadian former freestyle and medley swimmer who competed in the Summer Olympics for Canada in 1992, 1996 and 2000, and won the silver medal in the 200-metre individual medley in 1996 in Atlanta, Georgia. She was also Canada's flagbearer at the 1998 Commonwealth Games in Kuala Lumpur, Malaysia.
Bruno Bonfim is a middle-distance freestyle swimmer from Brazil, who competed for his native country at the 2004 Summer Olympics in Athens, Greece. A year earlier, he won the bronze medal at the Pan American Games in Santo Domingo, Dominican Republic.
Monique Andrade Ferreira is a freestyle swimmer from Brazil. A member of Santos.
Silas Edward Southern was an American sprinter and hurdler who won a silver medal in the 400 metres hurdles at 1956 Olympics. He won another silver medal in the 4 × 400 m relay at the 1959 Pan American Games.
Ricardo Prado is an Olympic and former World Record holding medley swimmer from Brazil. He was one of the greatest swimmers in the history of Brazil and the best Brazilian swimmer in the 1980s.
William M. Sawchuk is a Canadian former swimmer, competing in the butterfly, freestyle and medley events during the 1970s and early 1980s.
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.
The men's 400 metres hurdles event at the 1960 Olympic Games took place between August 31 and September 2. There were 34 competitors from 23 nations. The maximum number of athletes per nation had been set at 3 since the 1930 Olympic Congress. The event was won by Glenn Davis of the United States, the first man to successfully defend an Olympic title in the 400 metres hurdles. As of the 2016 Games, he remains the only man to do so; three others have won two gold medals in the event, but all three did so in nonconsecutive Games. It was the United States' fifth consecutive and 10th overall victory in the event. The Americans also completed their second consecutive medal sweep in the event, as Cliff Cushman took silver and Dick Howard took bronze.
Raidel Acea Morales is a Cuban-born track and field athlete who competes for Portugal in the 400 metres and 800 metres events. The 2009 Pan American junior champion over 800 m, he won the bronze medal in the event at the 2011 Pan American Games.
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.
Kathryn Jean Heddy, also known by her married name Kathy Drum, is an American former competition swimming world champion and four-time Pan American champion.
Federico Grabich is an Argentine competitive swimmer.
Diogo de Oliveira Yabe, is a Brazilian competitive swimmer who specializes in medley events.
Bryan Saunders was a Canadian sprinter. He competed in the 400 metres at the 1976 Summer Olympics and the 1984 Summer Olympics. Saunders won a bronze medal in the 400 metres at the 1975 Summer Universiade and in the 4 x 400 metres relay at the 1975 Pan American Games.
Rachelle Campbell is a Canadian sprinter. She competed in the women's 400 metres at the 1976 Summer Olympics. She won a gold medal in the 1975 Pan American Games 4 × 400 metres Relay. Campbell also won a bronze medal in the 4 x 400 metres relay at the 1978 Commonwealth Games.
Margaret Stride is a Canadian sprinter. She competed in the women's 400 metres at the 1976 Summer Olympics. She won a gold medal in the 1975 Pan American Games 4 × 400 metres relay. At the 1975 Pan American Games Stride, while competing under her maiden name McGowen, finished sixth in the 400 metres. She also won bronze medals in the 4 x 400 metres relay at the 1974 British Commonwealth Games and 1978 Commonwealth Games.
