The men's 100 metre freestyle was one of six swimming events on the swimming at the 1908 Summer Olympics programme. It was the shortest of the three individual freestyle events, as the 50 yard freestyle had been dropped after its one appearance on the 1904 Summer Olympics programme. The 100 metre event was contested for the third time after it had been held at the 1896 and 1906 Olympics. The 1904 Olympics saw a 100-yard event. The competition was held on Friday 17 July 1908 and Monday 20 July 1908. Thirty-four swimmers from twelve nations competed. Each nation was limited to 12 swimmers.
The men's 100 metre freestyle was a swimming event held as part of the swimming at the 1920 Summer Olympics programme. It was the fourth appearance of the event. A total of 31 swimmers from 15 nations competed in the event, which was held from August 22 to August 29, 1920. Nations were limited to four swimmers each. The United States swept the medals, and Duke Kahanamoku broke his own Olympic record in the semifinals and bettered his time again in the final to successfully defend his championship from 1912. Kahanamoku was the first man to successfully defend an Olympic 100 metres freestyle title and third man to win multiple medals of any color in the event.
The men's 100 metre freestyle was a swimming event held as part of the swimming at the 1924 Summer Olympics programme. It was the sixth appearance of the event, which had not been featured at the 1900 Games. The competition was held on Saturday July 19, 1924 and on Sunday July 20, 1924. There were 30 competitors from 15 nations. Nations were limited to three swimmers each, down from four in 1920. The United States swept the medals for the second consecutive Games, winning its fourth consecutive gold medal. Johnny Weissmuller beat two-time defending champion Duke Kahanamoku in the final. Kahanamoku was the first man to win three medals in the event. His brother Samuel Kahanamoku earned the bronze medal.
The men's 400 metre freestyle was a swimming event held as part of the swimming at the 1924 Summer Olympics programme. It was the fourth appearance of the event, which was established in 1908. The competition was held from Wednesday July 16, 1924 to Friday July 18, 1924.
The men's 1500 metre freestyle was a swimming event held as part of the swimming at the 1924 Summer Olympics programme. It was the fourth appearance of the event, which was established in 1908. The competition was held on Sunday July 13, 1924, on Monday July 14, 1924, and on Tuesday July 15, 1924.
The men's 100 metre backstroke was a swimming event held as part of the swimming at the 1924 Summer Olympics programme. It was the fourth appearance of the event, which was established in 1908. The competition was held on Wednesday July 16, 1924, on Thursday July 17, 1924, and on Friday July 18, 1924.
The men's 200 metre breaststroke was a swimming event held as part of the swimming at the 1924 Summer Olympics programme. It was the fourth appearance of the event, which was established in 1908. The competition was held on Tuesday July 15, 1924, on Wednesday July 16, 1924, and on Thursday July 17, 1924.
The men's 4×200 metre freestyle relay was a swimming event held as part of the swimming at the 1924 Summer Olympics programme. It was the fourth appearance of the event, which had been established in 1908. The competition was held from Friday to Sunday, 18 to 20 July 1924.
The women's 400 metre freestyle was a swimming event held as part of the swimming at the 1924 Summer Olympics programme. It was the first appearance of the event, in 1920 a 300 metre race was contested. The competition was held from Sunday July 13, 1924, to Tuesday July 15, 1924.
The women's 100 metre backstroke was a swimming event held as part of the swimming at the 1924 Summer Olympics programme. It was the first appearance of the event, as women only swam freestyle events before this Games. The competition was held on Saturday July 19, 1924, and on Sunday July 20, 1924.
The women's 200 metre breaststroke was a swimming event held as part of the swimming at the 1924 Summer Olympics programme. It was the first appearance of the event, as women only swam freestyle events before this Games. The competition was held on Wednesday July 16, 1924 and on Friday July 18, 1924.
The men's 100 metre freestyle was a swimming event held as part of the swimming at the 1928 Summer Olympics programme. It was the seventh appearance of the event, which had not been featured only at the 1900 Games. The competition was held on Friday and Saturday, 10 and 11 August 1928. Thirty swimmers from 17 nations competed. Nations had been limited to three swimmers each since the 1924 Games. Johnny Weissmuller of the United States repeated as gold medalist in the event, the second man to do so. It was the fifth consecutive victory for an American swimmer in the men's 100 metre freestyle. István Bárány earned Hungary's first medal in the event since 1908 with his silver. Katsuo Takaishi's bronze was Japan's first men's 100 metre freestyle medal. Bárány and Takaishi prevented the Americans from sweeping the medals a third consecutive time, as the United States swimmers finished first, fourth, and fifth.
The women's 400 metre freestyle was a swimming event held as part of the swimming at the 1932 Summer Olympics programme. It was the third appearance of the event, which was established in 1924 after 1920 a 300 metre event was held. The competition was held on Thursday August 11, 1932 and on Saturday August 13, 1932.
The women's 100 metre freestyle was a swimming event held as part of the swimming at the 1932 Summer Olympics programme. It was the fifth appearance of the event, which was established in 1912. The competition was held on Saturday August 6, 1932 and on Monday August 8, 1932.
The men's 100 metre freestyle was a swimming event held as part of the swimming at the 1932 Summer Olympics programme. It was the eighth appearance of the event, which had not been featured only at the 1900 Games. The competition was held from Saturday August 6, 1932 to Sunday August 7, 1932. Twenty-two swimmers from ten nations competed. Nations had been limited to three swimmers each since the 1924 Games. The event was won by Yasuji Miyazaki of Japan, snapping a five-Games American win streak. Japan was only the third nation to win a gold medal in the event. The final was entirely made up of Japanese and American swimmers, three each; Japan took the top two places as Tatsugo Kawaishi earned silver. The top American, Albert Schwartz, earned bronze. While the American win streak had ended at five, the nation's podium streak ran to seven Games.
The men's 100 metre freestyle was a swimming event held as part of the swimming at the 1936 Summer Olympics programme. It was the ninth appearance of the event, which had not been featured only at the 1900 Games. The competition was held on Saturday and Sunday, 8 and 9 August 1936. Forty-five swimmers from 23 nations competed. Nations had been limited to three swimmers each since the 1924 Games. The event was won by Ferenc Csik of Hungary, the nation's first victory in the event since 1904 and third overall. For the second consecutive Games, Japan took two medals in the 100 metre freestyle, this time silver and bronze. The United States' seven-Games medal streak in the event ended as the nation's best result was sixth place by Peter Fick.
The women's 100 metre freestyle was a swimming event held as part of the swimming at the 1936 Summer Olympics programme. It was the sixth appearance of the event, which was established in 1912. The competition was held from Saturday to Monday, 8 to 10 August 1936.
The women's 400 metre freestyle was a swimming event held as part of the swimming at the 1936 Summer Olympics programme. It was the fourth appearance of the event, which was established in 1924 after 1920 a 300 metre event was held. The competition was held from Thursday to Saturday, 13 to 15 August 1936.
The men's 100 metre freestyle event at the 1952 Summer Olympics took place between 26 and 27 July at the Helsinki Swimming Stadium. There were 61 competitors from 33 nations. Nations had been limited to three swimmers each since the 1924 Games. The event was won by Clarke Scholes of the United States, the nation's second consecutive and seventh overall victory in the men's 100 metre freestyle. Japan, absent from the 1948 Games after World War II, returned to the podium in the event with Hiroshi Suzuki's silver. Göran Larsson earned Sweden's first medal in the event since 1908 with his bronze.
The men's 100 metre freestyle event at the 1956 Olympic Games took place between 29 and 30 November. There were 34 competitors from 19 nations. Nations had been limited to three swimmers each since the 1924 Games. The event was won by Jon Henricks of Australia, the nation's first medal in the event. Australia would win a second 0.4 seconds later and a third 0.9 seconds after that, sweeping the podium—the first sweep in the men's 100 metre freestyle since the United States did it in 1920 and 1924, and the first sweep of any event by Australian competitors. This year, the Americans finished fourth through sixth. It was the first time since 1924 that Japan had competed but not medaled.
