Brunei, as Brunei Darussalam, competed at the 2004 Summer Olympics in Athens, Greece, which took place between 13 and 29 August 2004. The country's participation in Athens marked its fourth appearance at the Summer Olympics since its debut in the 1988 Summer Olympics.
Guam sent a four-member delegation to the 1988 Winter Olympics in Calgary, Alberta, Canada from 13 to 28 February 1988. This is, as of 2022, Guam's only appearance in the Winter Olympic Games. The Guam delegation included only one athlete biathlete, Judd Bankert, who became Guam's first Olympic athlete. In his only event, the sprint, Bankert finished in 71st out of 72 competitors.
Guam has competed in eight Summer Games and one Winter Games. Guam first participated in the Olympics in the Winter Games in 1988 when Judd Bankert became Guam's first Olympic athlete competing in the biathlon. Only two athletes from Guam, canoeist Sean Pangelinan and judoka Ricardo Blas Jr, have made it past the first round of competition. During the 2008 Games in Beijing, Pangelinan advanced to the C-1 500m semi-finals and Blas Jr progressed to the Round of 16 100 kg+ Judo competition at London 2012.
Guam sent a team to compete at the 2008 Summer Olympics in Beijing, China. Their flag bearer was Ricardo Blas Jr.
Guam competed at the 2010 Summer Youth Olympics, the inaugural Youth Olympic Games, held in Singapore from 14 August to 26 August 2010.
Melissa Lynn Q. Fejeran is a retired weightlifter from Guam. She placed 15th in the lightweight division at the 2000 Olympics, where she also served as the Olympic flag bearer for Guam.
