Djibouti took part in the 1988 Summer Olympics which were held in Seoul, South Korea from September 17 to October 2. The country's participation marked its second appearance in the Summer Olympics since its debut at the 1984 Summer games in Los Angeles, United States. The delegation from Djibouti included six athletes, five in athletics and one in sailing. The five athletes for athletics were Hoche Yaya Aden, Ismael Hassan, Talal Omar Abdillahi, Hussein Ahmed Salah, and Omar Moussa while Robleh Ali Adou represented the nation in sailing. Ahmed Salah won the nation's first Olympic medal, which is a bronze at the Men's Marathon event.
Djibouti has participated in nine Summer Olympic Games as of the completion of the 2020 Summer Olympics in Tokyo. They have never competed in the Winter Olympic Games. Djibouti debuted at the 1984 Summer Olympics in Los Angeles, United States of America with three athletes, but did not take home a medal. The highest number of Djiboutian athletes participating in a summer Games is eight in the 1992 games in Barcelona, Spain. Only one Djiboutian athlete has ever won a medal at the Olympics, marathon runner Hussein Ahmed Salah, who won a bronze medal in the 1988 marathon.
Joachim Nshimirimana is a Burundian athlete who specialized in marathon and long-distance running. He represented Burundi at two Olympic games and also holds Italian citizenship.
Allan Lopes Mamédio do Carmo is a Brazilian swimmer, who specialized in open water marathon. He is considered one of the fastest professional open water swimmers in the world, finishing near the top of FINA World Cup races for the 10 km marathon. He also won a bronze medal for his category at the 2007 Pan American Games in Rio de Janeiro.
Al Mustafa Riyadh is a Bahraini marathon runner of Moroccan origin. Riyadh represented Bahrain at the 2008 Summer Olympics in Beijing, where he competed for the men's marathon, along with his compatriots Abdulhak Zakaria, and Nasar Sakar Saeed. Unfortunately, he was unable to finish the entire race for the second time since he did the same fate at the 2004 Summer Olympics in Athens.
Arjun Kumar Basnet is a Nepalese marathon runner. Basnet represented Nepal at the 2008 Summer Olympics in Beijing, where he competed for the men's marathon. He finished the race in forty-fifth place, approximately 26 seconds behind South Africa's Hendrick Ramaala, with his personal best time of 2:23:09.
Alfredo Arévalo Reyes is a Guatemalan marathon runner. In 2004, he achieved both his personal best and a national record-breaking time of 2:12:53 at the National Capital Marathon in Ottawa, Ontario, Canada.
Yevgeny Yuryevich Drattsev is a Russian swimmer, who specialized in open water marathon. He is considered one of the fastest professional open water swimmers in the world, finishing near the top of FINA World Cup races for the 10 km marathon. He also won two medals for the 5 and 10 km open water marathon at the 2007 FINA World Championships in Melbourne, Australia.
Saleh Mohammad is a Syrian swimmer, who specialized in open water marathon. He represented his Syria in the inaugural 10 km race at the 2008 Summer Olympics, and has also won a career total of four medals in a major international open water competition, spanning two editions of the Asian Beach Games.
Mohamed El-Zanaty Monir is an Egyptian swimmer, who specialized in open water marathon. He represented his nation Egypt at the 2008 Summer Olympics, and has claimed a bronze medal in the 25 km open water race (5:19:23.23) at the 2007 FINA World Championships in Melbourne, Australia.
Moses Moeketsi Mosuhli is a Lesotho marathon runner. He set his personal best time of 2:14:03, by finishing second at the 2008 Nedbank Durban City Marathon in Durban, South Africa.
Constantino León López is a Peruvian marathon runner. He set a personal best time of 2:17:03, by finishing eleventh at the 2010 Chosunilbo Chunchon International Marathon in Chuncheon, South Korea.
Rostislav Vítek is a Czech swimmer, who specialized in open water marathon. He represented his nation Czech Republic at the 2008 Summer Olympics, and eventually became the nation's first ever swimmer to cross the English Channel with a remarkable seven-hour record.
Ndabili Bashingili is a Botswana marathon runner. Bashingili made his official debut for the 2004 Summer Olympics in Athens, where he placed twenty-fifth out of a hundred runners in the men's marathon, with a time of 2:18:09.
Roman Kejžar is a Slovenian long-distance and marathon runner. He is a three-time Olympian, and a 2004 national marathon champion. He also set both a national record and a personal best time of 2:11:50 at the 2000 Turin Marathon, earning him a spot on the Slovenian team for the Olympics.
Paulo Jorge Caetano Gomes is a Portuguese marathon runner. He set a personal best time of 2:12:51, by finishing third at the 2007 Volkswagen Marathon in Prague, Czech Republic.
Lee Myong-Seung is a South Korean marathon runner. He set a personal best time of 2:13:25, by finishing ninth at the 2010 Seoul International Marathon. In the same year, he achieved his best career result with a fourth-place finish at the Gyeongju International Marathon, clocking at 2:16:19.
Goran Stojiljković is a Montenegrin marathon runner. He set both a national record and a personal best time of 2:20:11 at the 2008 Rotterdam Marathon in the Netherlands.
Roberto Carlos Echeverría Boutaud is a Chilean marathon runner. He set a personal best time of 2:15:37, by winning the 2008 Santiago Marathon, earning him a spot on the Chilean team for the Olympics.
Luis Ricardo Escobar Torres is a Mexican swimmer, who specialized in open water marathon. In 2010, Escobar became the first ever swimmer to claim an open water swimming title at the Mexican National Championships in Puerto Vallarta, clocking at 2 hours, 11 minutes, and 23.25 seconds. He is also the older brother of Susana Escobar, a long-distance freestyle swimmer, a two-time Olympian, and a member of the swimming team for the Texas Longhorns.
Lesotho 
