Pieter Cornelis Martijn van den Hoogenband is a Dutch retired swimmer. He is a triple Olympic champion and former world record holder.
Grant George Hackett OAM is an Australian swimmer, most famous for winning the men's 1500 metres freestyle race at both the 2000 Summer Olympics in Sydney and the 2004 Summer Olympics in Athens. This achievement has led him to be regarded as one of the greatest distance swimmers in history. He also collected a gold medal in Sydney for swimming in the heats of the 4 × 200 m freestyle relay. He was well regarded for his versatility, and has held the long course world records in the 200 m, 800 m, and 1500 m freestyle events. He dominated the 1500 m event for a decade, being undefeated in the event in finals from 1996 until the 2007 World Aquatics Championships. In total, he won 10 long-course world championship gold medals.
Magdalena Johanna Maria "Marleen" Veldhuis is a retired swimmer from the Netherlands. She was world record holder in four events. Veldhuis won eight world championships gold medals and 20 European championships gold medals. In the Olympics, she won a bronze medal in London 2012 in the 50 m freestyle, as well as three relay medals: bronze in Athens 2004, gold in Beijing 2008, and silver in London 2012.
David Michael Rhys Davies is a Welsh former competitive swimmer who has represented Wales at the Commonwealth Games, and swam for Great Britain at Olympic, World and European level He is the 2006 Commonwealth Games champion at 1500 metres freestyle and holds the rare distinction of having won medals in all six major long-course and short-course international championships available to him.
Alessia Filippi is a retired Italian swimmer.
Maarten van der Weijden is a Dutch long distance and marathon swimmer born in Alkmaar. In 2019 Van der Weijden swam the Elfstedentocht for charity. He raised more than €6.1 million.
Sebastiaan Verschuren is a Dutch former competitive swimmer who specialized in short- and middle-distance freestyle events. At the 2016 European Aquatics Championships he won the gold medal in the 200 meter freestyle. He participated in the 2012 and 2016 Olympics, finishing 5th in the 100 meter freestyle in 2012.
Kirsten Cameron is a former New Zealand distance freestyle and open water swimmer and a world record holder in Masters swimming in the 30-34, 35-39 and 40-44 age groups. She was the 2009 national inaugural champion for women's 10 km open-water swim. Kirsten started competitive swimming in 2004.
Gergő Szabolcs Kis is a Hungarian freestyle swimmer.
Mireia Belmonte García is a Spanish Olympic, world, and European champion swimmer. She is the world record holder in the short course 200 metre butterfly and 400 metre individual medley. Formerly, she held the world record in the short course 400 metre freestyle, 800 metre freestyle, and 1500 metre freestyle. She was the first Spanish woman to win a gold medal in swimming at an Olympic Games and is widely considered to be the greatest Spanish swimmer of all time.
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.
Lotte Friis is a Danish competitive swimmer from Allerød Municipality.
Robert Lijesen is a Dutch Swimmer, who is specialized in the 50 and 100 m freestyle. He is currently trained by former world champion Marcel Wouda at the same club as multiple olympic champion Pieter van den Hoogenband. He holds the European record in the 4 × 100 m freestyle Short Course together with Bas van Velthoven, Mitja Zastrow and Robin van Aggele in 3:09.18 swum during the World SC Championships 2008 in Manchester they finished second in this event behind the United States who swam a world record in the same race.
Pál Joensen is a Faroese elite swimmer. He was born in Vágur, Suðuroy, Faroe Islands. He has won World and European Championship medals. His bronze medal in the men's 1500 metre freestyle at the 2012 FINA World Swimming Championships in Istanbul was the first medal won by a Faroese swimmer at the World Aquatic Championships.
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 and the 2024 Olympics in Paris.
Gregorio Paltrinieri is an Italian competitive swimmer. He is a former world record holder in the short course 1500 metre freestyle. He holds the European record in the long course 800 metre and 1500 metre freestyle events with times of 7:39.27 and 14:32.80, respectively. In the 1500 metre freestyle, he is a 2016 Olympic, three-time world long course, two-time world short course, three-time European long course, and three-time European short course champion. In the 800 metre freestyle, he is a 2019 world long course, 2022 world short course, three-time European long course, and 2021 European short course champion. In the 10 kilometre open water swim, he is a 2022 world and 2020 European champion. In the 5 kilometre open water swim, he is a two-time European champion.
David Karl Brandl is an Austrian swimmer, who specialized in freestyle events. He is a multiple-time Austrian champion, a four-time national record holder, and a current member of Perger Swimming Club in Perg. He also won a bronze medal, as a member of the Austrian swimming team, at the 2008 European Championships in Eindhoven, Netherlands.
Yoris Grandjean is a Belgian swimmer, who specialized in sprint freestyle events. He won two gold medals at the 2006 FINA Youth World Swimming Championships, and later represented Belgium at the 2008 Summer Olympics. Since 2009, he still currently holds a Belgian record (22.13) in the 50 m freestyle from the national championships in Antwerp. Grandjean also trains for Liège Swimming Club under his head coach Andre Henvaux.
Dorothea Brandt is a German swimmer, who specialized in sprint freestyle and breaststroke events. She is a multiple-time German champion, a fourteen-time medalist at the European Short Course Swimming Championships, and a semi-finalist in the 50 m freestyle at the 2004 Summer Olympics in Athens. Brandt currently holds the short-course German record time of 23.74 seconds in the same discipline.
Netherlands 
