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.
Dana Whitney Vollmer is a former American competition swimmer, five-time Olympic gold medalist, and former world record-holder. At the 2004 Summer Olympics, she won a gold medal as a member of the winning United States team in the 4×200-meter freestyle relay that set the world record in the event. Eight years later at the 2012 Summer Olympics, Vollmer set the world record on her way to the gold medal in the 100-meter butterfly, and also won golds in the 4×100-meter medley relay and 4×200-meter freestyle relay. She won three medals including a gold at the 2016 Summer Olympics in Rio de Janeiro.
Filippo Magnini is an Italian retired competitive swimmer who was twice 100 metres freestyle World champion and three times European champion at that distance.
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.
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.
Gergő Szabolcs Kis is a Hungarian freestyle swimmer.
Erica Rachelle Morningstar is a Canadian swimmer who has competed in international events including the 2008 Summer Olympics, and 2012 Summer Olympics.
Frederike Johanna Maria "Femke" Heemskerk is a former Dutch competitive swimmer who mainly specializes in freestyle, but also has a strong backstroke and medley.
Paul Biedermann is a German retired competitive swimmer, a 200 and 400 metre freestyle long course world champion. He holds the long course and short course world records in the 200 meters freestyle, and the long course world record in the 400 meters freestyle.
Chen Zuo is a Chinese swimmer, who competed for Team China at the 2004 Summer Olympics, the 2008 Summer Olympics and the 2012 Summer Olympics. In 2004 he competed in the men's 50 m freestyle and the 4 x 100 and 4 × 200 m freestyle relays. In 2008 he competed in the men's 100 m freestyle and the 4 × 100 m freestyle relay. He served as the former captain of the Chinese National Swimming Team from 2006 to 2013.
Emily Susan Silver is an American competitive swimmer, Olympic medalist, and swim coach. She was a member of the silver-medal-winning U.S. team of the 4×100 metre freestyle relay at the 2008 Summer Olympics. She competed alongside fellow American swimmers Natalie Coughlin, Lacey Nymeyer and Kara Lynn Joyce. Silver overcame a broken hand suffered in the U.S. Olympic Trials, returning after a few weeks to compete at the 2008 Olympic Games.
Nikita Konstantinovich Lobintsev is a Russian freestyle swimmer, who won the silver medal in the 4 × 200 m freestyle relay at the 2008 Summer Olympics. At that Olympics, he also competed in the 400 m freestyle, finishing in 8th, and the 1500 m freestyle, finishing in 31st.
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.
Wilfried Hartung is a retired German swimmer. Born in East Berlin, East Germany, he competed at the 1972 and 1976 Summer Olympics and won a bronze medal in the 4 × 100 m freestyle relay in 1972. He is the divorced husband of two-time silver Olympic swimmer Gabriele Wetzko.
Steffen Deibler is a German former competitive swimmer from Biberach an der Riß. From 2009 to 2018 he was the world record holder for the 50 m butterfly.
Thomas William Fraser-Holmes is an Australian swimmer who made his international debut in 2010. He was an Australian Institute of Sport scholarship holder.
Marco Orsi is an Italian competitive swimmer who won eight gold medal at the European Short Course Swimming Championships.
Matthew Stanley is a New Zealand swimmer. His home town is Matamata, where he started swimming at the local swimming club at the age of seven.
Marcos Alfonso Lavado Mora is a Venezuelan swimmer. At the 2012 Summer Olympics, he competed in the Men's 200 metre butterfly, finishing in 27th place overall in the heats, failing to qualify for the semifinals, and was also part of the Venezuelan 4 x 100 m team. He was part of the Venezuelan team that won bronze in the men's 4 x 200 m freestyle relay at the 2011 Pan American Games.
Marco De Tullio is an Italian swimmer. He represented Italy at the 2019 World Aquatics Championships held in Gwangju, South Korea. He competed in the men's 400 metre freestyle event.
Italy 
