This is a listing of the history of the World Record in the 100 breaststroke swimming event.
Alia Shanee Atkinson, OD 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.
Katinka Hosszú is a Hungarian competitive swimmer specialized in individual medley events. She is a three-time Olympic champion and a nine-time long-course world champion. She is owner of a Budapest based swim school and swim club called Iron Swim Budapest, and co-owner and captain of Team Iron, founding member of the International Swimming League.
Ryan Fitzgerald MurphyOLY is an American competitive swimmer specializing in backstroke. He is a four-time Olympic gold medalist and the former world-record holder in the men's 100-meter backstroke.
Nicolas Fink is an American five-time world champion in breaststroke events. He is a world record holder in the short course 4×100 meter medley relay and 4×50 meter mixed medley relay. He is the Americas record holder in the short course 50 meter breaststroke, 100 meter breaststroke, and 200 meter breaststroke as well as the American record holder in the long course 50 meter breaststroke. In the 50 meter breaststroke, he won the World Short Course titles in 2021 and 2022 and World Long Course title in 2022. In the 100 meter breaststroke, he is the 2022 World Short Course gold medalist. In the 200 meter breaststroke, he is the 2021 World Short Course gold medalist.
Hali Flickinger is an American professional swimmer who specializes in freestyle, butterfly, and individual medley events. She represents the Cali Condors of 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.
Cody William Miller is an American competitive swimmer. He is a former world record holder in both the men's 4×50 meter freestyle relay and the mixed 4×50 meter freestyle relay as well as a former American record holder in the long course 100 meter breaststroke and short course 50 meter, 100 meter, and 200 meter breaststroke events. At the 2016 Summer Olympics, he won a bronze medal in the 100 meter breaststroke and a gold medal in the 4×100 meter medley relay, swimming the breaststroke leg of the relay in the final to help achieve a new Olympic record. In 2019, he won the silver medal in the 100 meter breaststroke at the year's Pan American Games. He competes representing DC Trident in the International Swimming League.
Minna Atherton is an Australian competitive swimmer who won the gold medals in the 100- and 200-metre backstroke events at the 2015 FINA World Junior Swimming Championships in Singapore. She tied the junior world record in the 100-metre backstroke and broke the Championships record in the 200-metre backstroke.
Michael Charles Andrew is an American competitive swimmer and an Olympic gold medalist. He was the 2016 world champion in the 100 meter individual medley. At his first Olympic Games, the 2020 Summer Olympics, he won a gold medal and set a world record as part of the 4x100 meter medley relay, placed fourth in the 100 meter breaststroke, fourth in the 50 meter freestyle, and fifth in the 200 meter individual medley. Andrew's swims in 2021 at the 2020 Olympics made him the first swimmer to represent the United States at an Olympic Games in an individual breaststroke event as well as another individual event other than an individual medley in the then-125-year-history of swimming at the Summer Olympics. He has won 78 medals at Swimming World Cup circuits.
Lillia Camille King is an American swimmer who specializes in breaststroke. She currently represents the Cali Condors, a team that is part of the International Swimming League. 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. She is the current world record holder in the long course 100-meter breaststroke.
Molly Hannis is an American competition swimmer who specializes in breaststroke events. She currently represents the Cali Condors which is part of the International Swimming League.
William Andrew Licon is an American competitive swimmer who specializes in breaststroke and medley events. He previously competed for the professional team LA Current in the International Swimming League. Licon is a three-time World Championship medalist, a two-time Pan American Games gold medalist and has been a member of the United States national team since 2015. He is the current American record-holder and former NCAA & US Open record-holder in the 200-yard breaststroke.
Kira Marije Toussaint is a Dutch competitive swimmer who specialises in backstroke. She is the former world record holder in the short course 50 metre backstroke and the Dutch record holder in the long course 50 metre backstroke and 100 metre backstroke, and the short course 50 metre, 100 metre, and 200 metre backstroke. She also holds the European record in the long course and short course 50 metre backstroke. At the 2021 FINA Swimming World Cup, Toussaint placed second overall for a competitor of any gender in terms of total points scored and earned 11 gold medals.
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.
Justin Ress is an American swimmer. As a member of the USA national team Justin won the gold medal in the 50 meter backstroke at the 2022 FINA World Championships and was a member of the USA gold medal winning 4X100 free relay. He was also a key part of the USA team that defeated Australia in the resumption of the Duel in the Pool series in 2022. Ress competed as a member of the Cali Condors of the International Swimming League from 2019-2021 and looks forward to resumption of ISL in the near future. Ress was US national champion in the 100 backstroke in 2022 and 50 backstroke in 2017 after which he competed in the men's 50 meter backstroke event at the 2017 World Aquatics Championships. Ress swam collegiately for North Carolina State University where he was a 3-time NCAA champion, 21-time NCAA All-American, and 11-time ACC champion. In his first year at school he won the 2016 ACC Freshman of the Year award.
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 International Swimming League (ISL) is an annual professional swimming league, established in 2019. It features a team-based competition format with fast-paced race sessions. In 2019, the regular season started in October and the Final Match was held in December.
Team Iron is a professional swimming team co-owned by Katinka Hosszú, and a founding member of the International Swimming League. The team is based in Budapest, Hungary, led by general manager Dorina Szekeres and head coach Jozsef Nagy.
The 2021 International Swimming League was the third edition of the International Swimming League, a professional swimming league, established in 2019. It comprised ten teams composed of both women and men. The league, due to COVID-19 pandemic travel restrictions, consisted of a total of eighteen short course swimming meets, called matches, spanning four stages of competition and held in two locations. In each match, swimmers from four different teams competed in individual, relay, and skins events. The ten regular season matches and one play in match took place in the city of Naples, Italy. The six play off matches in the semifinals stage of competition took place in the city of Eindhoven, Netherlands, as did the final match.
