The Central African Republic competed at the 1988 Summer Olympics in Seoul, South Korea. This marked the third appearance of the nation at a Summer Olympics. The country entered 15 competitors, the highest number of Central Africans appearing at any Games so far; with the basketball team comprising 12 of them. In addition to the boxers Fidèle Mohinga and Moussa Wiawindi, there was marathon runner Adolphe Ambowodé, who had previously competed at the 1984 Summer Olympics. No medals were won by any of those athletes.
Nepal sent a delegation to compete at the 1976 Summer Olympics in Montreal, Quebec, Canada from 17 July to 1 August 1976. This was the nation's third time competing at a Summer Olympic Games. Nepal's delegation consisted of a single Marathon runner, Baikuntha Manandhar. He finished the race in 50th place.
The Central African Republic competed at the 1984 Summer Olympics in Los Angeles, United States. It had been 16 years since the previous appearance of the nation at the Summer Olympics, when it made its debut at the 1968 Games in Mexico City, Mexico. The Central African Republic was represented by three athletes; marathon runner Adolphe Ambowodé and two boxers, Dieudonné Kossi and Antoine Longoudé. There were no medals won by the trio.
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.
Cape Verde competed at the 2008 Summer Olympics in Beijing, China. Their participation marked their fourth Olympic appearance. Two Cape Verdeans competed in the Olympic games: Nelson Cruz participated as a marathon runner, and Wania Monteiro participated in gymnastics. Another athlete, Lenira Santos, was selected to compete in athletics but was forced to pull out due to injury. Monteiro was selected as the flag bearer for both the opening and closing ceremonies. Neither of the Cape Verdeans progressed beyond the first round.
The men's marathon at the 2008 Summer Olympics took place on 24 August at 7:30am in Beijing, ending in the Beijing National Stadium. It was the last time in Summer Olympics history that the start and/or finish of the men's marathon route was located inside the Olympic Stadium. Ninety-five athletes from 56 nations competed. The winner of the event was Samuel Wanjiru of Kenya, who set an Olympic record in the time of two hours, six minutes, and 32 seconds. It was Kenya's first victory in the men's marathon. Morocco won its first medal in the event since 1960, with Jaouad Gharib's silver. Tsegay Kebede of Ethiopia took bronze.
Juan Carlos Cardona Rivas is a male marathon runner from Colombia, who thrice represented his native country in the men's marathon at the Summer Olympics. He won the 2007 edition of the Buenos Aires Marathon in Argentina. He finished 83rd in the marathon at the 2012 Summer Olympics.
Lesotho competed at the 2012 Summer Olympics in London, which was held from 27 July to 12 August 2012. The country's participation at London marked its tenth appearance in the Summer Olympics since its début at the 1972 Summer Olympics. The delegation included three track and field athletes; Tsepo Ramonene, Mosito Lehata and Mamorallo Tjoka, and one swimmer; Masempe Theko. Ramonene and Lehata qualified for the Games by meeting qualification standards, while Tjoka and Theko made the Olympics through wildcard places. Tjoka was selected as the flag bearer for the opening ceremony while Lehata held it at the closing ceremony. Ramonene finished last in the men's marathon and was revived by medical personnel during the event. Lehata did not progress to the semi-finals of the men's 200 metres and Tjoka finished in 90th in the women's marathon. Theko finished 73rd overall in the women's 50 metre freestyle and did not progress to the semi-finals of the event.
East Timor, also known as Timor-Leste and officially as the Democratic Republic of Timor-Leste, competed at the 2012 Summer Olympics in London, held from July 27 to August 12, 2012. This was the nation's fourth appearance at the Olympics, although it was first appeared as part of the Individual Olympic Athletes. Two marathon runners were selected to the team by wildcard places, without having qualified at any sporting event. East Timor, however, has yet to win its first Olympic medal.
Franklin Bolívar Tenorio Ramón is an Ecuadorian long-distance and marathon runner. Tenorio represented Ecuador at two Olympic games, where he ran in the men's marathon, which was held annually on the last day of the competition. He finished the race in seventy-first place, with a time of 2:31:12, at the 2004 Summer Olympics in Athens, and in sixty-fifth place, with a time of 2:29:05, at the 2008 Summer Olympics in Beijing. He also achieved his personal best of 2:10:22 at the Rome Marathon in 1998.
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.
Yousuf Othman Qader is a Qatari marathon runner. Qader represented Qatar at the 2008 Summer Olympics in Beijing, where he competed for the men's marathon, along with his compatriot Mubarak Shami. He finished the race in sixty-fourth place by fourteen seconds behind Guatemala's Alfredo Arévalo, with a time of 2:28:40.
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.
Andrej Aliaksandravič Hardziejeǔ is a Belarusian marathon runner. He achieved his personal best time of 2:11:44 by winning the gold medal at the 2001 Hannover Marathon.
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.
Vasyl Matviychuk or Vasyl Oleksandrovych Matviichuk is a Ukrainian long-distance runner.
Arkadiusz Rafał Sowa is a Polish marathon runner. He set a personal best time of 2:12:00, by finishing seventh at the 2007 Berlin Marathon.
Takhir Mamashayev is a Kazakhstani marathon runner. He set a personal best time of 2:15:20 at the 2003 Berlin Marathon.
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.
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.
Botswana 
