Martin Liivamägi is an Estonian swimmer, who specialized in breaststroke and individual medley events. He is a two-time Olympian, a 2010 Pac-10 champion in the 200 m individual medley, a double NCAA team titleholder, a 43-time Estonian swimming champion, and a 24-time national record holder in different age groups. He also won a silver medal in the same stroke at the 2006 European Junior Swimming Championships in Palma de Mallorca, Spain.
Martti Aljand is an Estonian individual medley and breaststroke swimmer.
Carlos Fernandes Esteves de Almeida is a Portuguese swimmer, who specializes in breaststroke events. He is a two-time Olympian, an NCAA Champion, a 2011 Big East Conference champion, and a current Portuguese record holder in the 50, 100 and 200 m breaststroke in the long and short course. Almeida is a resident athlete for Amadora Swimming Club in Lisbon, and is coached and trained by Filipe Coelho.
Marco Koch is a German competitive swimmer who specializes in breaststroke events. He is a former world record holder in the 200 meter breaststroke.
Daiya Seto is a Japanese professional swimmer who specializes in individual medley, butterfly, breaststroke, and freestyle events. He holds the world record in the short course 400-metre individual medley and formerly held the world record in the short course 200-metre butterfly. He won the gold medal in the 400-metre individual medley at the 2012, 2014, 2016, 2018, 2021, and 2022 world short course championships, as well as at the 2013, 2015, and 2019 world long course championships.
Aleksandr Baldin is an Estonian former swimmer, who specialized in breaststroke events. He is a 15-time long-course Estonian swimming champion in the breaststroke, and a member of SK Garant in Tallinn, under the tutelage of his personal coach Dmitri Kapelin. Baldin also represented his nation Estonia in a breaststroke double at the 2004 Summer Olympics.
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.
Anton Mikhailovich Chupkov is a retired Russian competitive swimmer. He is the European record holder in the long course 200 metre breaststroke and the Russian record holder in the long course 100 metre breaststroke. He formerly held the world record in the long course 200 metre breaststroke. At the 2015 European Games he won four gold medals in individual and relay events. He won the bronze medal in the 200 metre breaststroke at the 2016 Summer Olympics. He won the gold medal in the 200 metre breaststroke at the 2017 and 2019 World Aquatics Championships.
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.
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.
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.
Martina Carraro is an Italian swimmer. She competed at the 2020 Summer Olympics, in 100 m breaststroke and 200 m breaststroke. She was European champion in short course in the 100 m breaststroke at the 2019 European Short Course Swimming Championships in Glasgow, Scotland.
Maria Romanjuk is an Estonian swimmer. She competed in the women's 100 metre breaststroke event at the 2016 Summer Olympics. She is 46-time long course and 41-time short course Estonian swimming champion. She has broken 15 Estonian records in swimming.
Denis Petrashov is a Kyrgyz competitive swimmer. He competed in the Men's 200-meter breaststroke event at the 2016 Summer Olympics and both the Men's 100-meter and 200-meter breaststroke events at the 2021 Summer Olympics. Petrashov won the silver medal in the 100-meter breaststroke at the 2018 Youth Olympics, and gold medals at the 2022 Maccabiah Games in Israel in the 100 m and 200 m breaststroke events.
Sigrid Sepp is an Estonian backstroke, butterfly and medley swimmer. She competed in the women's 50 metre backstroke event at the 2017 World Aquatics Championships. She is 24-time long course and 15-time short course Estonian swimming champion. She has broken 8 Estonian records in swimming.
Kregor Zirk is an Estonian swimmer. He is multi time Estonian swimming champion in both short and long course. He has broken Estonian age group and senior records around 300 times.
Daniel Zaitsev is an Estonian butterfly and freestyle swimmer. He competed in the men's 50 metre butterfly event at the 2017 World Aquatics Championships. He is a 18-time long course and 26-time short course Estonian swimming champion. He has broken 27 Estonian records in swimming.
Pjotr Degtjarjov is an Estonian breaststroke and freestyle swimmer. He is 32-time long course and 26-time short course Estonian swimming champion. He has broken 20 Estonian records in swimming.
Jane Trepp is a retired Estonian swimmer.
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.
