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.
Alia Shanee Atkinson, СD is a Jamaican five-time Olympian and a former competitive swimmer whose international competition career spanned 19 years, 2003 to 2021 inclusive, at the senior level. At short course World Swimming Championships, she is a ten-time medalist in individual events, including four gold medals, four silver medals, and two bronze medals. She won a total of 124 medals, of which 74 were gold medals, at Swimming World Cup circuits over the course of her career. She won 14 total medals in individual events, 11 gold, 1 silver, and 2 bronze, from her first three Central American and Caribbean Games, in 2006, 2010, and 2018.
Lillia Camille King is an American swimmer who specializes in breaststroke. At the 2016 Summer Olympics, she won the gold medal in the 100-meter breaststroke competition and also won a gold medal in the 4x100 meter medley relay, in which she swam the breaststroke leg. At the 2020 Summer Olympics, King won a silver medal in the 4x100 meter medley relay for her efforts in the prelims, the silver medal in the 200-meter breaststroke, and the bronze medal in the 100-meter breaststroke. At the 2024 Summer Olympics, she won a gold medal in the 4x100 meter medley relay, where she swam the breaststroke leg. She is the current world record holder in the long course 100-meter breaststroke.
Kaylene Corbett is a South African swimmer. She competed in the women's 100 metre breaststroke event at the 2017 World Aquatics Championships. At the 2022 Commonwealth Games, she won the bronze medal in the 200 metre breaststroke.
Tatjana Smith is a South African retired swimmer who specialised in breaststroke events. She is a two-time Olympic champion and the most decorated South African Olympian in history. Smith won the gold medal in the 200-metre breaststroke and the silver medal in the 100-metre breaststroke at the 2020 Olympic Games, setting Olympic records in both events and the world record in the former, and the gold medal in the 100-metre breaststroke and the silver medal in the 200-metre breaststroke at the 2024 Olympic Games. She is also a World Championships gold medalist (2023) and two-time silver medalist.
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 backstroke event at the 2020 Summer Olympics was held from 25 to 27 July 2021 at the Tokyo Aquatics Centre. It was the event's twenty-third consecutive appearance, having been held at every edition since 1924. An unusual occurrence happened where the Olympic record for this event was broken three times in a single day and five times through the course of the entire competition.
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 breaststroke event at the 2020 Summer Olympics was held from 27 to 29 July 2021 at the Tokyo Aquatics Centre. It was the event's twenty-sixth consecutive appearance, having been held at every edition since 1908.
The women's 200 metre breaststroke 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-third consecutive appearance, having been held at every edition since 1924.
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 women's 200 metre butterfly event at the 2020 Summer Olympics was held from 27 to 29 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 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.
Michael Houlie is a South African swimmer. He competed in the men's 100 metre breaststroke at the 2019 World Aquatics Championships. In 2019, he represented South Africa at the 2019 African Games held in Rabat, Morocco. He also competed in the men's 100 metre breaststroke event at the 2020 Summer Olympics.
Benedetta Pilato is an Italian swimmer. She is the world record holder in the long course 50 metre breaststroke. She is the European champion in the 50 metre breaststroke in 2021 and the 100 metre breaststroke in 2022 as well as the silver medalist in the 50 metre breaststroke in 2022. In 2021, she won a silver medal in the 50 metre breaststroke at the 2021 World Short Course Championships. She is the world champion in the 100 metre breaststroke and the silver medal in the 50 metre breaststroke at the 2022 World Aquatics Championships.
Lydia Alice Jacoby is an American professional swimmer. She was the first Alaskan to qualify for an Olympic Games in swimming, competing at the 2020 Summer Olympics in Tokyo in 2021, where she won the gold medal in the 100-meter breaststroke with a time of 1:04.95, which was the fastest time ever achieved by a female American swimmer in the event in the 17–18 age group. Later in the year, she was the overall highest scoring female American competitor at the 2021 FINA Swimming World Cup. In 2022, she became the fastest female American swimmer in history in the 100-yard breaststroke for the 17–18 age group with a national age group record time of 57.54 seconds. In 2023, she further lowered the record to a time of 57.45 seconds, then 57.29 seconds, and set a national age group record of 2:04.32 for the girls 17–18 age group in the 200-yard breaststroke. She is the 2023 NCAA Division I champion in the women's 100-yard breaststroke.
Chelsea Mae Hodges is a retired Australian swimmer. She competed in the women's 100 metre breaststroke at the 2020 Summer Olympics.
Lara van Niekerk is a South African competitive swimmer. She is the current African, Commonwealth, and South African record holder in the long course 50-metre breaststroke and the African and South African record holder in the short course 50-metre breaststroke. She won gold medals in the 50-metre breaststroke at the 2018 African Swimming Championships and the 2022 Commonwealth Games as well as a silver medal at the 2022 World Short Course Championships and the bronze medal at the 2022 World Aquatics Championships in the same event. In the 100-metre breaststroke, she won gold medals at the 2018 African Swimming Championships and the 2022 Commonwealth Games.
The women's 100 metre breaststroke event at the 2024 Summer Olympics was held from 28 to 29 July 2024 at the Paris Aquatics Centre.
