Federica Pellegrini is an Italian retired swimmer. A native of Mirano, in the province of Venice, she won a gold medal at the 2008 Beijing Olympics. At the 2009 World Championships in Rome, Pellegrini became the first woman ever to break the 4-minute barrier in the 400 m freestyle with a time of 3:59.15. She also held the women's 200 meters freestyle world record.
Kathleen Genevieve Ledecky is an American competitive swimmer. She has won nine Olympic gold medals and 21 world championship gold medals, the most in history for a female swimmer. With 14 medals and 9 gold medals, she is also the most decorated American woman, most decorated female swimmer, the woman with the most gold medals and fifth-most decorated athlete in Olympic history. She has won a record 16 individual gold medals at the World Aquatics Championships. Ledecky's 10 individual medals at the Olympics and 26 overall medals at the World Aquatics Championships are records in women's swimming. Ledecky is the world record holder in the women's 800- and 1500-meter freestyle, as well as the former world record holder in the women's 400-meter freestyle. She also holds the fastest-ever times in the women's 500-, 1000-, and 1650-yard freestyle events. She is widely regarded as the greatest female swimmer of all time and one of the greatest Olympians of all time.
The women's 200 metre freestyle event at the 2016 Summer Olympics took place 8–9 August at the Olympic Aquatics Stadium.
Ariarne Elizabeth Titmus is an Australian swimmer. She is the reigning Olympic champion in the women's 400-metre freestyle, having won the event at the 2020 Summer Olympics and the 2024 Summer Olympics and the world record holder in the long course 200-metre freestyle and 400-metre freestyle events. In 2019 and 2020, she competed representing the Cali Condors in the International Swimming League.
The men's 50 metre freestyle event at the 2020 Summer Olympics was held from 30 July to 1 August 2021 at the Tokyo Aquatics Centre. It was the event's tenth appearance, first held in 1904 and then at every edition since 1988. The event is nicknamed the "splash and dash" event.
The men's 100 metre freestyle event at the 2020 Summer Olympics was held from 27 to 29 July 2021 at the Tokyo Aquatics Centre. There were approximately 60 competitors from approximately 45 nations, with the ultimate numbers determined through the ongoing selection process, including universality places.
The men's 200 metre freestyle event at the 2020 Summer Olympics was held from 25 to 27 July 2021 at the Tokyo Aquatics Centre. There were 39 competitors from 30 nations, with the ultimate numbers determined through the ongoing selection process, including universality places.
The men's 800 metre freestyle event at the 2020 Summer Olympics was held on 27 and 29 July 2021 at the Tokyo Aquatics Centre. It was the event's recurrence to the Games for the first time in over a century, having last been held in 1904.
The men's 1500 metre freestyle event at the 2020 Summer Olympics was held on 30 July and 1 August 2021 at the Tokyo Aquatics Centre. It will be the event's twenty-seventh consecutive appearance, having been held at every edition since 1904.
The women's 50 metre freestyle event at the 2020 Summer Olympics was held from 30 July to 1 August 2021 at the Olympic Aquatics Centre. It was the event's ninth consecutive appearance, having been held at every edition since 1988.
The women's 100 metre freestyle event at the 2020 Summer Olympics was held from 28 to 30 July 2021 at the Tokyo Aquatics Centre. It was the event's twenty-fifth consecutive appearance, having been held at every edition since 1912.
The women's 400 metre freestyle event at the 2020 Summer Olympics was held from 25 to 26 July 2021 at the Tokyo Aquatics Centre. It was the event's twenty-third consecutive appearance, having been held at every edition since 1924.
The women's 800 metre freestyle event at the 2020 Summer Olympics was held from 29 to 31 July 2021 at the Tokyo Aquatics Centre. It was the event's 14th consecutive appearance, having been held at every edition since 1968.
The women's 1500 metre freestyle event at the 2020 Summer Olympics was held in 2021 at the Tokyo Aquatics Centre. These Games marked the first time to feature women swimming in the pool longer than 800 metres.
The men's 100 metre breaststroke event at the 2020 Summer Olympics was held from 24 to 26 July 2021 at the Tokyo Aquatics Centre. It was the event's fourteenth consecutive appearance, having been held at every edition since 1968.
The men's 200 metre butterfly event at the 2020 Summer Olympics was held in 2021 at the Tokyo Aquatics Centre. It was the event's seventeenth consecutive appearance, having been held at every edition since 1956.
The women's 100 metre butterfly event at the 2020 Summer Olympics was held from 24 to 26 July 2021 at the Tokyo Aquatics Centre. It was the event's seventeenth consecutive appearance, having been held at every edition since 1956.
The men's 200 metre individual medley event at the 2020 Summer Olympics was held from 28 to 30 July 2021 at the Tokyo Aquatics Centre. It was the event's twelfth appearance, having been first held in 1968 and 1972 and then at every edition since 1984.
The women's 200 metre individual medley event at the 2020 Summer Olympics was held from 26 to 28 July 2021 at the Tokyo Aquatics Centre. It will be the event's twelfth appearance, having been first held in 1968 and 1972 and then at every edition since 1984.
The women's 4 × 200 metre freestyle relay event at the 2020 Summer Olympics was held in 2021 at the Tokyo Aquatics Centre. It was the event's seventh consecutive appearance, having been held at every edition since 1996.
