Federica Pellegrini is an Italian retired swimmer. A native of Mirano, in the province of Venice, she won a gold medal at the 2008 Beijing Olympics. At the 2009 World Championships in Rome, Pellegrini became the first woman ever to break the 4-minute barrier in the 400 m freestyle with a time of 3:59.15. She also held the women's 200 meters freestyle world record.
Natalie Anne Coughlin Hall is an American former competition swimmer and twelve-time Olympic medalist. While attending the University of California, Berkeley, she became the first woman ever to swim the 100-meter backstroke in less than one minute—ten days before her 20th birthday in 2002. At the 2008 Summer Olympics, she became the first U.S. female athlete in modern Olympic history to win six medals in one Olympiad, and the first woman ever to win a 100-meter backstroke gold in two consecutive Olympics. At the 2012 Summer Olympics, she earned a bronze medal in the 4×100-meter freestyle relay.
Gergő Szabolcs Kis is a Hungarian freestyle swimmer.
Ranomi Kromowidjojo is a retired Dutch swimmer of mixed Dutch-Javanese Surinamese origin who mainly specialises in sprint freestyle events. She is a triple Olympic champion, winning the gold medal in the 4 × 100 m freestyle relay at the 2008 Olympics, and in the 50 m freestyle and 100 m freestyle at the 2012 Olympics. Kromowidjojo holds the world record in the 50 meter freestyle short course, and as part of the Dutch team she holds the world record in the 4×50 m freestyle relay. She formerly held world records in the 4 × 100 m and 4 × 200 m freestyle relays. She has won a total of 39 medals in FINA World Championship events.
Frederike Johanna Maria "Femke" Heemskerk is a former Dutch competitive swimmer who mainly specializes in freestyle, but also has a strong backstroke and medley.
Michael Fred Phelps II is an American former competitive swimmer. He is the most successful and most decorated Olympian of all time with a total of 28 medals. Phelps also holds the all-time records for Olympic gold medals (23), Olympic gold medals in individual events (13), and Olympic medals in individual events (16). At the 2004 Summer Olympics in Athens, Phelps tied the record of eight medals of any color at a single Games, held by gymnast Alexander Dityatin, by winning six gold and two bronze medals. Four years later, when he won eight gold medals at the 2008 Beijing Games, he broke fellow American swimmer Mark Spitz's 1972 record of seven first-place finishes at any single Olympic Games. At the 2012 Summer Olympics in London, Phelps won four gold and two silver medals, and at the 2016 Summer Olympics in Rio de Janeiro, he won five gold medals and one silver. This made him the most successful athlete of the Games for the fourth Olympics in a row.
Joeri Verlinden is a Dutch swimmer who specializes in butterfly and freestyle. He is currently trained by Martin Truijens. He was previously trained by Marcel Wouda.
Sharon van Rouwendaal is a Dutch swimmer and the Olympic gold medalist in the 10 km open water marathon at the 2016 Olympics in Rio de Janeiro.
Katerine Savard is a Canadian competitive swimmer who specializes in women's butterfly events and freestyle relay. She holds several Canadian national records in the butterfly over the 50-, 100-, and 200-metre distances in both the short and long courses. Savard also holds the Canadian junior butterfly record in the 200-metre event. She won the gold medal at the 100-metre butterfly event at the 2013 Summer Universiade,held in Kazan.Savard alsk won gold at the 2014 Commonwealth Games in the 100-metre butterfly in Glasgow, where she set the Commonwealth record in the process. At the same games she also won a bronze as a member of the women's 4×100-metre medley relay team.
John Peet Conger is an American competition swimmer who specializes in butterfly and freestyle events. He is an Olympic gold medalist in the 4 × 200 m freestyle relay from the 2016 Summer Olympics in Rio de Janeiro and the current American record-holder in the 200-yard butterfly with a time of 1:37.35.
Australia competed at the 2013 World Aquatics Championships in Barcelona, Spain from 19 July to 4 August 2013.
Marrit Steenbergen is a Dutch competitive swimmer. She won gold medals in the 100 m and 200 m freestyle events at the 2022 European Championships held in Rome, Italy.
Maud van der Meer is a former Dutch competitive swimmer. She won the gold medal at the 2011 World Aquatics Championships in the 4 × 100 metre freestyle relay and the silver medal at the 2015 World Aquatics Championships in the 4 × 100 metre freestyle relay.
Esmee Vermeulen is a Dutch swimmer.
Francis Townley Haas is a retired American competitive swimmer who specialized in freestyle events. He is an Olympic gold medalist in the 4 × 200 m freestyle relay from the 2016 Summer Olympics in Rio de Janeiro. Haas competed collegiately for the University of Texas at Austin from 2015 to 2019 under head coach Eddie Reese where he was a 10-time NCAA Champion, a 17-time All-American, and a 3-time NCAA team champion. He is the former American record-holder in the 200-yard freestyle (1:29.50) and represented the Cali Condors in the International Swimming League.
Robin Neumann is a Dutch competitive swimmer who specializes in freestyle.
Andrea Kneppers is a Dutch competitive swimmer who specialises in freestyle.
Maarten Brzoskowski is a Dutch competitive swimmer of Polish origin who specializes in freestyle. He holds the Dutch records in both the long course and short course 400 meter freestyle events.
Ben Schwietert is a Dutch competitive swimmer who specializes in freestyle.
Kyle Stolk is a Dutch competitive swimmer who specializes in freestyle events. He won a silver medal in the boys' 200 m freestyle at the 2014 Summer Youth Olympics in Nanjing, and finished seventh as a member of the Dutch swimming squad in the 4×200 m freestyle relay at the 2016 Summer Olympics in Rio de Janeiro. Stolk currently trains for the swimming league at PSV Eindhoven, under the tutelage of his coach and three-time Olympian Marcel Wouda.
Netherlands 
