The men's 100 metres was the shortest of the sprint races at the 1908 Summer Olympics in London. The competition was held over the course of three days. The first round was held on 20 July, the semifinals on 21 July, and the final on 22 July. NOCs could enter up to 12 athletes, The event was won by Reggie Walker of South Africa, the first time the gold medal went to a nation other than the United States. The Americans did stay on the podium with James Rector's silver medal. Canada won its first medal in the event, a bronze by Robert Kerr.
The men's 100 metres was a sprinting event on the athletics programme at the 1900 Summer Olympics in Paris. It was held on July 14, 1900. 20 athletes from nine nations competed. The event was won by Frank Jarvis of the United States, the second of three straight gold medals by different Americans in the event. Australia medaled in the event for the first time, a bronze by Stan Rowley.
The Maldives competed at the 1992 Summer Olympics in Barcelona, Spain, from 25 July to 9 August 1992. The delegation's participation in the Barcelona Olympics marked the Maldives' second appearance at the Summer Olympics since their debut at the 1988 Summer Olympics in Seoul, South Korea. Seven athletes competed across two sports; Ahmed Shageef, Mohamed Amir, Hussain Riyaz, Hussein Haleem and Aminath Rishtha in track and field, and Ahmed Imthiyaz and Mohamed Rasheed in swimming. None of the track or swimming athletes advanced past the first round in their events, and no Maldivian has won a medal in any events.
Jaysuma Saidy Ndure is a Gambian-Norwegian sprinter. He is of Serer heritage of the noble Ndure family. In 2002, he went to Oslo, aged 18 and settled with his father who has lived in Norway since the 1970s. Having changed nationality from Gambia to Norway in 2006, he holds Norwegian records in the 100 and holds both the Gambian and Norwegian records in the 200 metres, and is the seventh and fourth fastest European of all times on the two distances. He has a bronze medal from the African Championships and several top-three placings in IAAF Golden League meets and the IAAF World Athletics Final.
The men's 100 metre freestyle event at the 2008 Olympic Games took place on 12–14 August at the Beijing National Aquatics Center in Beijing, China. There were 64 competitors from 55 nations.
The men's 100 metre butterfly event at the 2008 Olympic Games took place on 14–16 August at the Beijing National Aquatics Center in Beijing, China.
Joseph Obinna Metu is a Nigerian sprinter who specializes in the 100 metres. His personal best time is 10.11 seconds, achieved in June 2012 in Calabar.
Ángel David Rodríguez García is a Spanish sprinter. He specializes in the 100 metres. His personal best time is 10.23 seconds in the 100 metres, achieved in July 2008 in Salamanca, and 20.61 seconds in the 200 metres, achieved in July 2008 in Barcelona.
Martial Mbandjock is a French sprinter who specializes in the 100 metres. His personal best time is 10.06 seconds, achieved in July 2008 in Albi.
The men's 100 metre freestyle event at the 1960 Olympic Games took place between August 26 and 27. There were 51 competitors from 34 nations. Nations were limited to two swimmers each, down from three in previous Games. The event was won by John Devitt of Australia over Lance Larson of the United States in a controversial, disputed finish that resulted in a push for electronic timing. It was Australia's second consecutive victory in the event, third-most all-time behind the United States' 7 gold medals and Hungary's 3. Devitt, silver medalist four years earlier, was the fifth man to win multiple medals in the event. Manuel dos Santos earned Brazil's first medal in the men's 100 metre freestyle with his bronze.
The men's 100 metre freestyle event at the 1964 Olympic Games took place between October 11 and 12. There were 66 competitors from 33 nations. Nations were again able to bring up to three swimmers each after a one-Games limit of two in 1960. The event was won by Don Schollander of the United States, the nation's first victory in the event since 1952 and eighth overall. Great Britain and the United Team of Germany both earned their first medal in the men's 100 metre freestyle.
The men's 400 metres hurdles event at the 1960 Olympic Games took place between August 31 and September 2. There were 34 competitors from 23 nations. The maximum number of athletes per nation had been set at 3 since the 1930 Olympic Congress. The event was won by Glenn Davis of the United States, the first man to successfully defend an Olympic title in the 400 metres hurdles. As of the 2016 Games, he remains the only man to do so; three others have won two gold medals in the event, but all three did so in nonconsecutive Games. It was the United States' fifth consecutive and 10th overall victory in the event. The Americans also completed their second consecutive medal sweep in the event, as Cliff Cushman took silver and Dick Howard took bronze.
Uganda competed at the 2012 Summer Olympics in London, which was held from 27 July to 12 August 2012. The country's participation there marked its 13th appearance in the Summer Olympics since its début at the 1956 Summer Olympics. The delegation consisted of eleven track and field athletes that included Moses Ndiema Kipsiro, Benjamin Kiplagat, and Stephen Kiprotich, one each in badminton and weightlifting, and two swimmers. Ekiring, Ssekyaaya, Mugula, and Lunkuse had qualified through wildcard places, while the rest of the delegation satisfied the Games' qualification standards for their respective events. Mugula was selected as the team captain. Mugula was also selected as the flag bearer for both the opening and closing ceremonies. The country's best result at these Games was a gold medal for Kiproitch in the men's marathon, its first such medal since the 1972 Munich Olympics.
The Gambia 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 eighth appearance in the Summer Olympics since its début at the 1984 Summer Olympics. The delegation included two athletes, Suwaibou Sanneh and Saruba Colley, the former had qualified by setting a qualifying time that fell within the required standard and the latter entered via a wildcard place. Sanneh was selected as the flag bearer for both the opening and closing ceremonies. Sanneh became the first Gambian athlete to advance into the semi-finals of the men's 100 metres, while Colley was eliminated after the quarter-final stages of the Women's 100 metres.
Zambia competed at the 2012 Summer Olympics in London, held from 27 July to 12 August 2012. The country's participation at London marked its twelfth appearance in the Summer Olympics since its début at the 1964 Summer Olympics. The delegation consisted of seven competitors; three track and field athletes Gerald Phiri, Prince Mumba and Chauzje Choosha, one each in Boxing and Judo and two swimmers, Zane Jordan and Jade Ashleigh Howard. Phiri, Mumba, Choombe and Munyonga had qualified by meeting the standards in their respective sports, and Choosha, Jordan and Howard qualified by wildcard places. Mumba was the national flag bearer at the opening and closing ceremonies.
Sandrine Carmen Genevieve Thiébaud-Kangni is a French-Togolese Athlete 1990 tp 2000. 400 metres French Junior Record older since 1995. 53sec73 .4×400 meters 3.32.79 transfere allégeance 2001 to Togolese sprinter and heptathlete. She is a two-time Olympian and a multiple-time national record holder for the 400m and heptathlon. She is also the daughter of middle-distance runner Roger Kangni, who competed in the 800 metres at the 1972 Summer Olympics in Munich.
The men's 100 metres event at the 2016 Summer Olympics took place between 13–14 August at the Olympic Stadium. 84 athletes from 57 nations competed.
Nicholas Kiplagat Bett was a Kenyan track and field athlete who competed in the 400 metres hurdles. His personal best for the event is 47.79 seconds. He was a world champion in the event, having won in 2015, and a two-time bronze medallist at the African Championships in Athletics. He died in a road accident in Kenya at the age of 28.
Matthew "Matt" Sates is a South African swimmer. He is the African record holder in the short course 200 metre freestyle, 400 metre freestyle, and 200 metre individual medley as well as the South African record holder in the 400 metre individual medley. He is the 2022 World Short Course champion in the 200 metre individual medley and bronze medalist in the 400 metre individual medley. At the 2022 NCAA Division I Championships, he won the NCAA title in the 500 yard freestyle. For the 2021 FINA Swimming World Cup, he was the overall male winner, earning a total of 18 medals, including 13 gold medals.
Anastasia R. Makarova is a Russian competitive swimmer. In the 100 metre breaststroke, she won the gold medal at the 2018 Summer Youth Olympics and silver medals at the European Junior Swimming Championships in 2018 and 2019. In the 200 metre breaststroke, she won a silver medal at the 2019 World Junior Championships, a gold medal at the 2018 European Junior Championships, and a silver medal at the 2019 European Junior Championships. In the 50 metre breaststroke, she won a bronze medal at the 2019 European Junior Championships.
