Andrew Patrick Bree is a breaststroke swimmer from Helen's Bay, County Down, Northern Ireland. He is a two-time Olympian, having swum at the 2000 and 2008 Olympics for Ireland. He also represented Northern Ireland four times at the Commonwealths and placed fifth twice in the 200m breaststroke. Andrew attended the University of Tennessee.
The men's 200 metre individual medley event at the 2000 Summer Olympics took place on 20–21 September at the Sydney International Aquatic Centre in Sydney, Australia.
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.
Giedrius Titenis is a Lithuanian swimmer, who specialized in breaststroke events. He is a four-time Olympian, a multiple-time Lithuanian record holder in the men's breaststroke, and a double swimming champion in the same discipline at the 2011 Summer Universiade in Shenzhen, China. Titenis is also a member of Anykščiai Swimming Club, and is coached and trained by Žilvinas Ovsiukas.
Kenneth King-him To was a Hong Kong Australian swimmer who practised individual medley, freestyle, butterfly and breaststroke. He won 6 medals at the 2010 Summer Youth Olympics, was the male overall winner of the 2012 FINA Swimming World Cup and was a World Championships silver medallist. He was the holder of 16 Hong Kong national swimming records.
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.
Sergio Andrés Ferreyra is an Argentine former swimmer, who specialized in breaststroke events. He is a multiple-time Argentine record holder, and a two-time medalist in the breaststroke at the 2006 South American Games in Buenos Aires. He is also a member of Club Regatas Corrientes, and is coached and trained by Sergio Oscar Sainz.
Ratapong "Nuk" Sirisanont is a Thai former swimmer, who specialized in breaststroke, but also competed in long-distance freestyle and individual medley. He is a four-time Olympian, a three-time Asian Games participant, and a seven-time SEA Games athlete (1991–2003). Regarded as Thailand's top swimmer, he has won a total of sixteen medals at the Southeast Asian Games since 1995, and six at the Asian Games, including two golds in the 200 and 400 m individual medley. At the 1996 Summer Olympics in Atlanta, Sirisanont became the first Thai swimmer to reach the final twice. Sirisanont is also one of three Southeast Asian swimmers, along with Malaysia's Alex Lim and Philippines' Miguel Molina, to train for the California Golden Bears in the United States, under head coach Nort Thornton.
Arsenio Alexander López Rosario, also known as Alex Lopez, is a Puerto Rican former swimmer and three-time Olympian who specialized in breaststroke and individual medley events.
Aikaterini "Katia" Sarakatsani is a Greek swimmer, who specialized in breaststroke and individual medley events. She is a three-time Olympian, a former Greek record holder in the breaststroke, and a member of the swimming team for Hawaiʻi Rainbow Wahine at the University of Hawaiʻi at Mānoa, under head coach Vojko Race.
Valērijs "Val" Kalmikovs is a Latvian former swimmer, who specialized in breaststroke and individual medley events. He is a two-time Olympian and a top 16 finalist in the 200 m breaststroke on his Olympic debut in Atlanta (1996). He still holds a Latvian record in the 200 m breaststroke (2:16.21) that stood for more than a decade. While studying in the United States, Kalmikovs achieved a sixth-fastest of all time in the 200-yard breaststroke at the 2000 NCAA Men's Swimming and Diving Championships. He has also been named a three-time Big-12 Conference Champion and a nine-time All-American, as a member of the University of Nebraska swimming and diving team. Since his sporting career ended in 2004, Kalmikovs has extensively traveled across the United States and Europe, working as a swimming coach. On September 9. 2019 Val became the first Latvian to swim across The English Channel. It took him 11 hours and 13 minutes (6pm-5am) to successfully finish the challenge.
Aleksandr Tkachev is a Russian-born Kyrgyzstani former swimmer, who specialized in breaststroke events. He collected a total of three medals, one gold and two silver, at the Universiade, and later represented his adopted nation Kyrgyzstan at the 2000 Summer Olympics.
Andrés Bicocca is an Argentine former swimmer, who specialized in breaststroke events. He is a single-time Olympian (2000) and coach of Club Deportivo Hispano Americano in Río Gallegos, along head coach Alejandro Amuchástegui.
Stephen Fahy is a Bermudian former swimmer, who specialized in butterfly and individual medley events. He represented Bermuda at the 2000 Summer Olympics, and held two Bermudian records in the 100 m butterfly and 200 m individual medley that stood for more than a decade. While studying in the United States, Fahy is also a member of the Yale University swimming and diving team, also known as Yale Bulldogs, under head coach Frank Keefe.
Grigoriy Matuzkov is a Kazakh former swimmer, who specialized in individual medley events. At only 29 years of age, Matuzkov represented Kazakhstan in his official debut at the 2000 Summer Olympics, and spent four years in Rio de Janeiro, Brazil (1997–2001) training for the Flamengo Swim Club.
Sultan Al-Otaibi is a Kuwaiti former swimmer, who specialized in individual medley, but also competed in backstroke, breaststroke, and butterfly. He represented Kuwait in all of the four editions of the Olympic Games since 1988, and also held numerous Kuwaiti records in the same disciplines, particularly in the 200 m individual medley.
Jana Korbasová is a Slovak former swimmer, who specialized in backstroke and in individual medley events. She represented Slovakia at the 2000 Summer Olympics, and later became a sixth-place finalist in the 200 m backstroke (2:12.81) at the European Short Course Championships in Valencia, Spain on that same year. Since her retirement came in 2001, Korbasova currently serves as the acting head coach for Howick Pakuranga Swim Club in New Zealand. She has competed in several New Zealand Ironman in Taupo achieving the fastest swim time for women in the non professional division. She won the 2018 New Zealand Coach of the Year.
María Virginia Garrone is an Argentine former swimmer, who specialized in individual medley events. She is a 2000 Olympian and a fifteen-time Argentine national champion in a medley double. During her sporting career, she trained for the swim team at Club Atletico de Córdoba under her longtime coach and mentor Daniel Garimaldi.
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.
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.
Argentina 
