Sarah Fredrika Sjöström is a Swedish competitive swimmer specialising in the sprint freestyle and butterfly events. She is the current world record holder in the 50-meter freestyle, the 100-meter freestyle, the 50-meter butterfly, the 100-meter butterfly, and the 4×50-meter medley relay. She is a former world record holder in the 50-meter freestyle, 100-meter freestyle, 100-meter butterfly, and 200-meter freestyle. She is the first Swedish woman to win an Olympic gold medal in swimming. She won the Overall Swimming World Cup in 2017 and 2018. In 2022, she became the first swimmer representing a country from Europe to win 10 individual World Championships gold medals. She currently represents Energy Standard in the International Swimming League.
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.
The men's 100 metre breaststroke event at the 2016 Summer Olympics took place between 6–7 August at the Olympic Aquatics Stadium.
Luke Greenbank is an English professional swimmer who specialises in backstroke. A medalist in the 200 metre backstroke at the Olympic Games and the World and European championships, he also swam the first leg in the 2019 World and 2020 European Championship gold medal-winning Great Britain medley relay teams. He won a silver medal as lead-off for Great Britain in the 4 x 100 metre medley relay for men at the 2020 Summer Olympics. He won a gold medal as lead-off for England in the heats of the 4 x 100 metre medley relay for men at the 2022 Commonwealth Games.
Duncan William MacNaughton Scott is a Scottish swimmer representing Great Britain at the FINA World Aquatics Championships and the Olympic Games, and Scotland at the Commonwealth Games. Scott made history after winning four medals - more than any other British athlete at a single Olympic Games in Tokyo 2020 - and becoming Great Britain's most decorated swimmer in Olympic history. An all-rounder in the pool, Scott has swum internationally in 100 and 200 metres freestyle and butterfly, and 200 metres individual medley. He has won a gold at the Olympics and two golds at the World Championships in 4 x 200 metre freestyle relay, a gold in the 4 x 100 metre medley relay, as well as silvers at the World Championships and Olympics in freestyle and medley relay. Individually, Scott was the 100 metre freestyle champion at the 2015 European Games and 2018 Commonwealth Games, and the 200 metre freestyle champion at the same European Games and the 2018 European Aquatics Championships.
The men's 200 metre freestyle competition of the swimming events at the 2015 World Aquatics Championships was held on 4 August with the heats and the semifinals on the 3 August.
The Men's 200 metre individual medley competition of the swimming events at the 2015 World Aquatics Championships was held on 5 August with the heats and the semifinals and 6 August with the final.
The Women's 200 metre breaststroke competition of the swimming events at the 2015 World Aquatics Championships was held on 6 August with the heats and the semifinals and 7 August with the final.
The Women's 100 metre butterfly competition of the swimming events at the 2015 World Aquatics Championships was held on 2 August with the heats and the semifinals and 3 August with the final.
Ilya Syarheyevich Shymanovich is a Belarusian swimmer. He is the world record holder in the short course 100 metre breaststroke and a former world record holder in the short course 50 metre breaststroke. At the 2018 World Championships he won two silver medals, one each in the 100 metre breaststroke and the 50 metre breaststroke. He won two gold medals, one in the 50 metre breaststroke and one in the 200 metre breaststroke, and a silver medal, in the 100 metre breaststroke, at the 2021 European Short Course Championships. At the 2021 World Short Course Championships he won the gold medal in the 100 metre breaststroke.
James Wilby is a British competitive swimmer who specialises in the breaststroke. Wilby is the 2018 Commonwealth Games champion in 200 metre breaststroke, the 2022 Commonwealth Games champion in 100 metre breaststroke, and the 2022 European champion in 200 metre breaststroke. He formed part of the Great Britain team that won World Championship gold in the men's 4 x 100 metre medley relay in 2019, and the England team that won the Commonwealth Games Men's 4 x 100 metre medley relay in 2014 and 2022.
The Men's 50 metre freestyle competition of the 2018 European Aquatics Championships was held on 8 and 9 August 2018.
The Men's 50 metre butterfly competition of the 2018 European Aquatics Championships was held on 6 and 7 August 2018.
The Women's 50 metre freestyle competition of the 2018 European Aquatics Championships was held on 3 and 4 August 2018.
The Women's 200 metre freestyle competition of the 2018 European Aquatics Championships was held on 5 and 6 August 2018.
The Women's 50 metre butterfly competition of the 2018 European Aquatics Championships was held on 8 and 9 August 2018.
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 will be the event's fourteenth consecutive appearance, having been held at every edition since 1968.
The Men's 100 metre breaststroke competition at the 2019 World Championships was held on 21 and 22 July 2019. Adam Peaty broke the world record with a time of 56.88 in the semi-final, the first man to swim under 57 seconds in this event, and went on to win in the final.
Nicolò Martinenghi is an Italian swimmer. He competed in the men's 100 metre breaststroke at the 2019 World Aquatics Championships. He won the bronze medal in the 100 metre breaststroke at the 2020 Summer Olympics. At the 2022 World Aquatics Championships, he won the gold medal in the 100 metre breaststroke and the 4×100 metre medley relay and the silver medal in the 50 metre breaststroke.
The Men's 50 metre backstroke competition of the 2022 European Aquatics Championships was held on 14 and 15 August 2022.
