In the 1948 Olympic Games the men's 100m was won by Harrison Dillard (USA).
In 2012 Usain Bolt (Jamaica) won.
That was Reggie Walker of South Africa who won the 100 meter dash at the 1908 Olympics in London.
Bobby Morrow at the 1956 Melbourne Olympics
Usian Bolt.
100 meter dash 100 meter dash
The 100 meter race started in the 1896 Olympics.
The 2004 Olympic gold medalist in the 100 meter dash was Justin Gatlin of the United States in a time of 9.85 seconds.
Hansle Parchment Jamaica (JAM)
Sally Pearson Australia (AUS)
Lyudmila Kondratyeva who won the women's 100 meter gold medal at the 1980 Games in Moscow. She is the only Russian born 100 meter dash gold medalist in the history of the Olympics.
the mens 100 meter sprint
100 meter dash
100 meter dash