Swimming has been a sport at every modern Summer Olympics. It has been open to women since 1912. Along with track & field athletics and gymnastics, it is one of the most popular spectator sports at the Games. Swimming has the second-highest number of Olympic events.
The men's 200 metre butterfly event at the 1972 Olympic Games took place August 28. This swimming event used the butterfly stroke. Because an Olympic-size swimming pool is 50 metres long, this race consisted of four lengths of the pool.
The women's 200 metre breaststroke event, included in the swimming competition at the 1948 Summer Olympics, took place from 30 July to 3 August at the Empire Pool. In this event, swimmers covered four lengths of the 50-metre (160 ft) Olympic-sized pool employing the breaststroke. It was the fifth appearance of the event, which first appeared at the 1924 Summer Olympics in Paris. It was also the first appearance of the event since the outbreak of World War II. A total of 22 competitors from 14 nations participated in the event.
The women's 100 metre butterfly event at the 1956 Olympic Games took place on December 3 and December 5. This swimming event used the butterfly stroke. Because an Olympic-size swimming pool is 50 metres long, this race consisted of two lengths of the pool.
The men's 200 metre freestyle event at the 1968 Olympic Games took place 24 October. It was the third time the event was held, returning for the first time since 1904.
The men's 100 metre butterfly event at the 1968 Olympic Games took place between 20 and 21 October. This swimming event used the butterfly stroke. Because an Olympic size swimming pool is 50 metres long, this race consisted of two lengths of the pool.
The men's 200 metre butterfly event at the 1968 Olympic Games took place 24 October. This swimming event used the butterfly stroke. Because an Olympic-size swimming pool is 50 metres long, this race consisted of four lengths of the pool.
The men's 200 metre individual medley event at the 1968 Olympic Games took place between 19 and 20 October. This swimming event used medley swimming. Because an Olympic size swimming pool is 50 metres long, this race consisted of four lengths of the pool. The first length was swum using the butterfly stroke, the second with the backstroke, the third length in breaststroke, and the fourth freestyle. Unlike other events using freestyle, swimmers could not use butterfly, backstroke, or breaststroke for the freestyle leg; most swimmers use the front crawl in freestyle events anyway.
The women's 100 metre freestyle event at the 1968 Olympic Games took place between 18 and 19 October. This swimming event used freestyle swimming, which means that the method of the stroke is not regulated. Nearly all swimmers use the front crawl or a variant of that stroke. Because an Olympic-size swimming pool is 50 metres long, this race consisted of two lengths of the pool.
The women's 200 metre freestyle event at the 1968 Olympic Games took place between 21 and 22 October. This swimming event used freestyle swimming, which means that the method of the stroke is not regulated. Nearly all swimmers use the front crawl or a variant of that stroke. Because an Olympic size swimming pool is 50 metres long, this race consisted of four lengths of the pool.
The women's 400 metre freestyle event at the 1968 Olympic Games took place between 19 and 20 October. This swimming event used freestyle swimming, which means that the method of the stroke is not regulated. Nearly all swimmers use the front crawl or a variant of that stroke. Because an Olympic-size swimming pool is 50 metres long, this race consisted of eight lengths of the pool.
The women's 800 metre freestyle event at the 1968 Olympic Games took place between 22 and 24 October. This swimming event used freestyle swimming, which means that the method of the stroke is not regulated. Nearly all swimmers use the front crawl or a variant of that stroke. Because an Olympic size swimming pool is 50 metres long, this race consisted of sixteen lengths of the pool.
The women's 200 metre backstroke event at the 1968 Olympic Games took place 25 October. This swimming event used backstroke. Because an Olympic size swimming pool is 50 metres long, this race consisted of four lengths of the pool. This was the first appearance for this event in the Olympics for the women swimmers.
The women's 100 metre butterfly event at the 1968 Olympic Games took place between 20 and 21 October. This swimming event used the butterfly stroke. Because an Olympic size swimming pool is 50 metres long, this race consisted of two lengths of the pool.
The women's 200 metre individual medley event at the 1968 Summer Olympics took place 20 October. This swimming event used medley swimming. Because an Olympic size swimming pool is 50 metres long, this race consisted of four lengths of the pool. The first length was swum using the butterfly stroke, the second with the backstroke, the third length in breaststroke, and the fourth freestyle. Unlike other events using freestyle, swimmers could not use butterfly, backstroke, or breaststroke for the freestyle leg; most swimmers use the front crawl in freestyle events anyway.
The women's 400 metre individual medley event at the 1968 Summer Olympics took place on 24–25 October. This swimming event used medley swimming. Because an Olympic size swimming pool is 50 metres long, this race consisted of eight lengths of the pool. The first two lengths were swum using the butterfly stroke, the second pair with the backstroke, the third pair of lengths in breaststroke, and the final two were freestyle. Unlike other events using freestyle, swimmers could not use butterfly, backstroke, or breaststroke for the freestyle leg; most swimmers use the front crawl in freestyle events.
The women's 4×100 metre medley relay event at the 1968 Olympic Games took place on 17 October. This swimming event uses medley swimming as a relay. Because an Olympic size swimming pool is 50 metres long, each of the four swimmers completed two lengths of the pool, each using a different stroke. The first on each team used the backstroke, the second used the breaststroke, the third used the butterfly stroke, and the final swimmer used freestyle.
The women's 200 metre freestyle event at the 1972 Olympic Games took place September 1. This swimming event used freestyle swimming, which means that the method of the stroke is not regulated. Nearly all swimmers use the front crawl or a variant of that stroke. Because an Olympic size swimming pool is 50 metres long, this race consisted of four lengths of the pool.
The women's 200 metre butterfly event at the 1972 Olympic Games took place September 4. This swimming event used the butterfly stroke. Because an Olympic-size swimming pool is 50 metres long, this race consisted of four lengths of the pool.
The women's 200 metre individual medley event at the 1972 Olympic Games took place August 28. This swimming event used medley swimming. Because an Olympic size swimming pool is 50 metres long, this race consisted of four lengths of the pool. The first length was swum using the butterfly stroke, the second with the backstroke, the third length in breaststroke, and the fourth freestyle. Unlike other events using freestyle, swimmers could not use butterfly, backstroke, or breaststroke for the freestyle leg; most swimmers use the front crawl in freestyle events anyway.
