Chad competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. The country's participation at Athens marked its tenth appearance in the Summer Olympics since its debut at the 1964 Summer Games in Tokyo, Japan. The delegation included two track and field athletes; Djikoloum Mobele in the men's 100 metres and Kaltouma Nadjina in the women's 400 metres. Both athletes participated at the Games through wild card places since they did not meet the required standards to qualify. Nadjina progressed past the first round of her competition, but was eliminated in the semi-finals.
Sherone Simpson is a Jamaican retired track and field sprint athlete. She is a gold medalist in the 4 × 100 m relay from the 2004 Olympics and silver medalist in 2005 World Championships and now is the silver medalist in the individual event at the 2008 Summer Olympics, after she tied for second with Kerron Stewart in a photo finish.
Natasa Dusev-Janics is a Yugoslavian-Hungarian sprint canoer who has competed for Hungary since 2001 and has won six Olympic medals in the sprint canoe events.
Kerron Stewart is a retired Jamaican sprinter who specialized in the 100 metres and 200 metres. She is the 2008 Jamaican national champion in the 100 m clocking 10.80s. She defeated World Champion Veronica Campbell-Brown in the process and now is the 2008 Summer Olympics silver medalist after she tied with Sherone Simpson in a time of 10.98s. She also earned a bronze medal in the 200 metres at the 2008 Summer Olympics with a time of 22.00s. She was born in Kingston and retired after the 2018 season.
Saint Kitts and Nevis first participated at the Olympic Games in 1996, and have competed in every Summer Olympic Games since then. The country has never won an Olympic medal and has not competed at the Winter Olympic Games.
The Maldives competed in the 2008 Summer Olympics, which were held in Beijing, People's Republic of China from August 8 to August 24, 2008. The country's participation at the Beijing Olympics marked its seventh appearance in the Summer Olympics since its debut at the 1988 Summer Olympics. The delegation included four athletes, two in athletics, and two in swimming who participated in four distinct events. Its four athletes did not advance past the first round in each of their events. Aminath Rouya Hussain carried the Maldivian flag during the parade of nations of the opening ceremony with sprinter Ali Shareef being the flagbearer for the closing ceremony. The country failed to win an Olympic medal at these Games and has yet to win their first medal.
The Solomon Islands send a team to compete at the 2008 Summer Olympics in Beijing, China. The country's delegation consisted of three athletes competing in two sports across three distinct events; Francis Manioru and Pauline Kwalea represented the Solomon Islands in track, while Wendy Hale competed in weightlifting. The arrival of the Solomon Islander delegation in Beijing marked its seventh appearance since its debut at the 1984 Summer Olympics in Los Angeles. The track athletes did not advance past the first rounds in their events. There were no medalists from the Solomon Islander athletes in these Games. Wendy Hale was the Solomon Islands' flagbearer during the Games' opening ceremony.
Tuvalu competed at the 2008 Summer Olympics in Beijing, China, from 8 to 24 August 2008. This was the nation's first ever appearance in an Olympic Game. The delegation included two track and field athletes and one weightlifter. Okilani Tinilau and Asenate Manoa participated in athletics while Logona Esau participated in the weightlifting sport. Both track and field athletes achieved national records. Logona Esau led the Tuvaluan squad as the nation's flag bearer in the parade of nations.
The Saint Kitts and Nevis National Olympic Committee sent four athletes to the 2008 Summer Olympics in Beijing, China. All four participated in the track and field competitions across four different events. Three women and one man comprised the Kittitian delegation. Williams and Ponteen did not advance past Qualifications in their events; Hodge reached quarterfinals in both the 100m and 200m sprints; and Collins, who participated in two events, reached the Semifinal round in the 100m sprint, and ranked sixth in the finals in the 200m sprint. Saint Kitts and Nevis did not win any medals during the Beijing Olympics. The flag bearer for the team at the opening ceremony was first-time Olympian Virgil Hodge.
Saint Vincent and the Grenadines sent a delegation to compete at the 2008 Summer Olympics in Beijing, China. The year's team included two athletes engaged in track and field events, and was accompanied by the team coach, manager, and chaperone. Saint Vincent and the Grenadines' appearance in Beijing marked its sixth consecutive Olympic appearance since its 1988 debut in Seoul, South Korea, and its smallest delegation to date. Alexander bore the flag of Saint Vincent and the Grenadines in the opening ceremony and neither athlete medaled in their events or advanced to later rounds.
The Central African Republic sent three competitors to the 2008 Summer Olympics in Beijing, China. Béranger Bosse and Mireille Derebona represented the nation in track events, while Bruno Bongongo participated on the Central African Republic's behalf in boxing. Of those athletes, none progressed past the first rounds of their events. The appearance of the Central African delegation at the Beijing Olympics marked its eighth appearance since the nation's debut at the 1968 Summer Olympics in Mexico City and its seventh consecutive appearance at the Summer Olympics. At the ceremonies, Derebona was the nation's flag bearer.
Chad sent a delegation of two athletes to compete at the 2008 Summer Olympics in Beijing, China: Moumi Sébergué, who competed in the men's 100 meters, and Hinikissia Albertine Ndikert, who competed in the women's 100 meters and also bore the Chadian flag during ceremonies. The appearance of this delegation marked the tenth appearance of Chad at the Summer Olympics, the first been in 1964 Summer Olympics in Tokyo, Japan, and its seventh appearance since its Olympic hiatus between 1976 and 1980. Both Sébergué and Ndikert ranked seventh in their respective heats and did not advance past the qualification round. As of the end of the 2012 London Olympics, there have been no medalists from Chad.
Dana Hussain Abdul-Razak Al-Khafaji is a sprinter on Iraq's national track and field team, coached by Yousif Abdul-Rahman. Due to the International Olympic Committee ban on Iraq competing at the 2008 Summer Olympics, there were concerns that she might be unable to participate, despite qualifying for the 100- and 200-meter sprint events. The ban was, however, subsequently lifted. She was the only athlete on Iraq's 2008 Olympic team to train within the war-torn country. In Beijing she competed at the 100 metres sprint. In her first round heat she placed sixth in a time of 12.36 which was not enough to advance to the second round.
Moumi Sebergue is a track and field sprint athlete who competes internationally for Chad.
Anita Pistone is a track and field sprint athlete who competes internationally for Italy.
Nataliya Mikhaylovna Kresova-Rusakova is a Russian track and field sprint athlete.
El Salvador first competed in the Paralympic Games at the 2000 Summer Paralympics in Sydney, Australia. It has participated in the Summer Paralympic Games every four years since that time. El Salvador has never taken part in the Winter Paralympics, and until Tokyo 2020, no Salvadorian had won a Paralympic medal. In 2021, Herbert Aceituno became the first athlete to win a medal, earning bronze in powerlifting at the 59 kg category.
Chad competed at the 2012 Summer Olympics in London, which was held from 27 July to 12 August 2012. This marked the nation's eleventh appearance at the Summer Olympics since its debut in the 1964 Summer Olympics. The Chadian delegation included track and field athlete Hinikissia Ndikert and judoka Carine Ngarlemdana. Ngarlemdana was the flag bearer for the opening ceremony and Ndikert was the flag bearer for the closing ceremony. Neither of Chad's athletes progressed beyond the first round of their events. Chad was one of only two countries to have a female-only team at the 2012 games.
Carine Ngarlemdana is a Chadian judoka. She competed at the 2012 Summer Olympics in the Women's -70 kg event. She was the flag bearer for Chad at the opening ceremony.
Chad competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. The country's participation in Rio de Janeiro marked its twelfth appearance at the Summer Olympics since its debut in 1964. The delegation included two track and field athletes: Bachir Mahamat in the men's 400 metres and Bibiro Ali Taher in the women's 5000 metres. Both athletes participated at the Games through wild card places since they did not meet the required standards to qualify. Neither athletes progressed past their heats.
Chad 
