The men's 100 metre breaststroke at the 2007 World Aquatics Championships took place on 25 March and on the evening of 26 March (final) at Rod Laver Arena in Melbourne, Australia. 123 swimmers were entered in the event, of which 117 swam.
Yuliya Andreyevna Yefimova is a Russian competitive swimmer. She is the Russian record holder in the 200 metre individual medley, 50 metre breaststroke, 100 metre breaststroke, and 200 metre breaststroke. After making her Olympic debut in 2008, she went on to win the bronze medal in the 200 metre breaststroke in 2012, and silver medals in the 100 metre and 200 metre breaststroke in 2016. She is a six-time World Champion, winning the 50 metre breaststroke in 2009 and 2013, the 100 metre breaststroke in 2015, and the 200 metre breaststroke in 2013, 2017, and 2019. In 2019, she became the first woman to win the 200 metre breaststroke at a FINA World Aquatics Championships three times. She is a former world record holder in the long course 50 metre breaststroke. She has won 109 medals, including 48 gold medals, at Swimming World Cups.
The women's 100 metre breaststroke event at the 1988 Summer Olympics took place on 23 September at the Jamsil Indoor Swimming Pool in Seoul, South Korea.
The men's 200 metre breaststroke event at the 1964 Summer Olympics took place between October 13 and October 15. This swimming event used the breaststroke. Because an Olympic-size swimming pool is 50 metres long, this race consisted of four lengths of the pool.
The women's 100 metre breaststroke event at the 1968 Summer Olympics took place between 18 and 19 October. This swimming event used the breaststroke. Because an Olympic size swimming pool is 50 metres long, this race consisted of two lengths of the pool. This was the first appearance for this event in the Olympics for the women swimmers.
The men's 100 metre breaststroke event at the 1972 Olympic Games took place between August 29 and August 30. This swimming event used the breaststroke. Because an Olympic size swimming pool is 50 metres long, this race consisted of two lengths of the pool.
The men's 200 metre breaststroke event at the 1972 Olympic Games took place September 2. This swimming event used the breaststroke. Because an Olympic-size swimming pool is 50 metres long, this race consisted of four lengths of the pool.
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 400 metre freestyle event at the 1972 Olympic Games took place August 30. 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 1972 Olympic Games took place between September 2 and 3. 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 100 metre breaststroke event at the 1972 Olympic Games took place between September 1 and September 2. This swimming event used the breaststroke. 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 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.
The women's 400 metre individual medley event at the 1972 Summer Olympics took place August 31. 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.
Rūta Meilutytė is a Lithuanian swimmer. An Olympic gold medalist, she is a world record holder in the short course 50 metre breaststroke, 100 metre breaststroke and long course 50 metre breaststroke. She is a former world record holder in the long course 100 metre breaststroke.
Adam George Peaty is an English competitive swimmer who specialises in the breaststroke. He won the gold medal in the 100 metre breaststroke at the 2016 Summer Olympics, the first by a male British swimmer in 24 years, and retained the title at the 2020 Summer Olympics in 2021, the first British swimmer ever to retain an Olympic title. He is also an eight-time World Champion, a sixteen-time European Champion and a four-time Commonwealth Champion. According to FINA itself, Peaty is widely regarded as the dominant breaststroke swimmer of his era, and the most dominant sprint breaststroke swimmer of all time.
Tatjana Schoenmaker is a South African swimmer specialising in breaststroke events. She is the world record holder in the long course 200-metre breaststroke and the African record holder in the long course and short course 100-metre breaststroke as well as the short course 200-metre breaststroke. She is a former African record holder in the long course 50-metre breaststroke and former South African record holder in the short course 50-metre breaststroke. She won the gold medal and set the world record in the 200-metre breaststroke and also won the silver medal in the 100-metre breaststroke at the 2020 Olympic Games.
Izaac Keith Stubblety-Cook is an Australian swimmer. He is a former world record holder in the long course 200 metre breaststroke.
Chelsea Mae Hodges is an Australian swimmer. She competed in the women's 100 metre breaststroke at the 2020 Summer Olympics.
