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.
Belize sent a delegation to compete at the 2000 Summer Olympics in Sydney, Australia from 15 September to 1 October 2000. This was Belize's eighth appearance at a Summer Olympic Games. The delegation sent by Belize consisted of two track and field competitors: Jayson Jones and Emma Wade. Neither advanced beyond the first round heats of their events.
El Salvador competed at the 1984 Summer Olympics in Los Angeles, California, United States, from 28 July to 12 August 1984. This was the nation's third appearance at the Olympics. The nation previously missed the 1976 Summer Olympics and participated in the 1980 Summer Olympics boycott.
Angola competed at the 1988 Summer Olympics in Seoul, South Korea. 24 competitors, 19 men and 5 women, took part in 27 events in 4 sports. The nation returned to the Olympic Games after boycotting the 1984 Summer Olympics.
Antigua and Barbuda competed at the 1984 Summer Olympics in Los Angeles, United States. The nation returned to the Olympic Games after participating in the American-led boycott of the 1980 Summer Olympics. Fourteen competitors, ten men and four women, took part in seventeen events in three sports.
Belize competed at the 1996 Summer Olympics in Atlanta, United States.
Belize competed at the 1988 Summer Olympics in Seoul, South Korea. Ten competitors, all men, took part in seven events in two sports.
Bermuda competed at the 1984 Summer Olympics in Los Angeles, United States. The nation returned to the Summer Games after participating in the American-led boycott of the 1980 Summer Olympics. Twelve competitors, eleven men and one woman, took part in ten events in five sports.
British Honduras competed in the Summer Olympic Games for the first time at the 1968 Summer Olympics in Mexico City, Mexico. Seven competitors, all men, took part in six events in four sports.
British Honduras sent a delegation to compete at the 1972 Summer Olympics in Munich, West Germany from 26 August to 11 September 1972. This was the then British territory's second appearance at a Summer Olympic Games. The delegation consisted of one sport shooter, Owen Phillips, who participated in two events. He came 59th in the 50 meter pistol and 101st in the 50 meter rifle prone.
Belize competed at the 1976 Summer Olympics in Montreal, Quebec, Canada. Previously, the nation had competed as British Honduras. Four competitors, all men, took part in four events in two sports.
Belize competed at the 1992 Summer Olympics in Barcelona, Spain. Ten competitors, nine men and one woman, took part in ten events in two sports.
The men's marathon at the 1988 Summer Olympics in Seoul, South Korea was held on Sunday October 2, 1988. The race started at 14:30h local time. A total of 98 athletes completed the race, with Polin Belisle from Belize finishing in last position in 3'14:02. There were 118 competitors from 60 countries. Twenty of them did not finish. The maximum number of athletes per nation had been set at 3 since the 1930 Olympic Congress. The event was won by Gelindo Bordin of Italy, the nation's first victory in the Olympic men's marathon and first medal in the event since 1924. Kenya and Djibouti each won their first Olympic men's marathon medal.
The men's triple jump event at the 1988 Summer Olympics in Seoul, South Korea had an entry list of 45 competitors, with 43 athletes from 31 nations starting in two qualifying groups before the final (12) took place on Saturday September 24, 1988. The maximum number of athletes per nation had been set at 3 since the 1930 Olympic Congress. The event was won by Khristo Markov of Bulgaria, the nation's first medal and victory in the men's triple jump. Igor Lapshin and Aleksandr Kovalenko of the Soviet Union took silver and bronze in an event where the Soviets had reached the podium eight consecutive Games before the 1984 boycott.
Belize competed in the 2008 Summer Olympics, held in Beijing, People's Republic of China from 8 to 24 August 2008. Its participation in Beijing marked its eighth Olympic appearance under the name "Belize" and its tenth overall, as its first two appearances were under the name "British Honduras". The Belizean delegation in 2008 included four athletes: three participated in track and field events and one in taekwondo. Belize did not medal in Beijing, and had not medaled before Beijing, but Jonathan Williams became the first Belizean athlete to advance past the first round of any Olympic event.
Belize competed at the 2007 Pan American Games in Rio de Janeiro, Brazil from July 13 to 29, 2007. The Belize team consisted of seven athletes competing in two sports: athletics and taekwondo.
Belize competed at the 2012 Summer Olympics in London, which were held from 27 July to 12 August 2012. The country's participation in London was its eleventh appearance in the Summer Olympics since its debut at the 1968 Summer Olympics. The delegation included two short-distance runners and one judoka: Kenneth Medwood, Kaina Martinez and Eddermys Sanchez. Medwood qualified by recording a time that met qualification standards while the latter two entered through wildcard places. Medwood was selected as the flag bearer for both the opening and closing ceremonies. Medwood reached the semifinals of the men's 400 metres hurdles before he was eliminated from competition while Martinez did not progress farther than the quarterfinal stage of the women's 100 metres. Sanchez was defeated by his opponent Miklós Ungvári of Hungary in a 19-second match in the Round of 32 of the men's half-lightweight judo competition.
Belize competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. It was the nation's twelfth appearance at the Olympic Games, although it had previously appeared in two early editions under the name "British Honduras". Belize joined the United States-led boycott of the 1980 Summer Olympics hosted in Moscow, Russia. The delegation included two track and field athletes: Brandon Jones and Katy Sealy, as well as judoka Renick James. All three athletes made their Olympic debut. Belize Olympic and Commonwealth Games Association appointed 200 metres sprinter Brandon Jones to carry the nation's flag in the opening ceremony. Belize, however, has yet to win its first Olympic medal.
Belize competed at the 2018 Commonwealth Games in the Gold Coast, Australia from April 4 to April 15, 2018. It was Belize's 10th appearance at the Commonwealth Games.
Belize competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It was the nation's thirteenth appearance at the Olympics, although it previously appeared in two early editions under the name "British Honduras".
