Belize sent a delegation to compete at the 2004 Summer Olympics in Athens, Greece, from 13–29 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.
Rowing at the 1984 Summer Olympics in Los Angeles, California, United States featured 14 events in total, for both men and women. Events were held at Lake Casitas.
Diving was first introduced in the official programme of the Summer Olympic Games at the 1904 Games of St. Louis and has been an Olympic sport since. It was known as "fancy diving" for the acrobatic stunts performed by divers during the dive. This discipline of Aquatics, along with swimming, synchronised swimming and water polo, is regulated and supervised by the International Swimming Federation (FINA), the international federation (IF) for aquatic sports.
Belize competed at the 1988 Summer Olympics in Seoul, South Korea. Ten competitors, all men, took part in seven events in two 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 individual road race at the 1984 Summer Olympics in Los Angeles, California, was held on Sunday July 29, 1984. There were 135 participants from 43 nations in the race over 190.20 km, on a course in Mission Viejo, California. The maximum number of cyclists per nation was four. 55 cyclists finished. The event was won by Alexi Grewal of the United States, the nation's first medal in the men's individual road race. All three nations represented on the podium were there for the first time in the event; Canada with Steve Bauer's silver and Norway with Dag Otto Lauritzen's bronze joined the Americans.
The men's 800 metres was an event at the 1992 Summer Olympics in Barcelona, Spain. There were a total number of 59 participating athletes from 48 nations, with eight qualifying heats. The maximum number of athletes per nation had been set at 3 since the 1930 Olympic Congress. The event was won by William Tanui of Kenya, the second straight Games in which a Kenyan man won the 800 metres.
The men's 1500 metres was an event at the 1992 Summer Olympics in Barcelona, Spain. There were a total number of 51 participating athletes from 40 nations, with four qualifying heats. The maximum number of athletes per nation had been set at 3 since the 1930 Olympic Congress. The event was held from 3 August to 8 August 1992. The event was won by Fermín Cacho of Spain, the nation's first title in the men's 1500 metres. Morocco won its first medal in the event with Rachid El Basir's silver. Qatar won its first Olympic medal in any event with Mohamed Suleiman's bronze.
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 that 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 2015 Pan American Games in Toronto, Ontario, Canada from July 10 to 26, 2015.
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.
