| Medal record | ||
|---|---|---|
| Men's swimming | ||
| Representing the | ||
| Olympic Games | ||
| 2004 Athens [1] | 4×100 m freestyle | |
| World Championships (SC) | ||
| Representing | ||
| 2000 Athens | 4×100 m freestyle | |
| Representing the | ||
| 2008 Manchester | 4×100 m freestyle | |
| European Championships (LC) | ||
| Representing the | ||
| 2008 Eindhoven | 4×100 m freestyle | |
| European Championships (SC) | ||
| 2005 Triest | 4×50 m freestyle | |
Mitja Kolia Zastrow (born 7 March 1977) is a Dutch swimmer and an Olympic medalist. Originally from Germany, Zastrow was born and raised in Wuppertal, near Düsseldorf. He became a naturalized Dutch citizen in July 2003, after a conflict with the German Swimming Association. He currently trains at PSV Eindhoven in Eindhoven, Netherlands, with his coach, Torsten Petsch.
Zastrow's swimming career has been filled with a series of unfortunate injuries. In 2001, despite being the 100 meter freestyle champion in Germany, a hand injury kept him from attending the FINA World Championships in Fukuoka, Japan.
In 2003, at the FINA World Championships in Barcelona, Spain, Zastrow participated in his first World Championship as a Dutch citizen. However, due to a back injury, he was unable to swim in most of the events that he had qualified for.
Zastrow qualified fifth out of one hundred Dutch swimmers to participate in the 2004 Summer Olympics in Athens, Greece. Along with Pieter van den Hoogenband, Johan Kenkhuis, and Klaas-Erik Zwering, he was a member of the Dutch 4×100 meter freestyle relay team, which won silver by clocking in at 3:14.36.
Zastrow's specialty is actually the backstroke. He has been the Dutch record holder in the 50 meter backstroke since 2003.
Zastrow has a Chinese ideograph tattooed on his left shoulder. The character is "猴" and means "monkey."
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.
Aaron Wells Peirsol is an American former competition swimmer and backstroke specialist who is a former world champion and world record-holder. He is a three-time Olympian and seven-time Olympic medalist. Individually, he currently holds the world record in the 200-meter backstroke event. In February 2011, Peirsol announced his retirement, saying, "I ended up doing everything I set out to do."
Johan Kenkhuis is an Olympic medal winning Dutch swimmer.
Klaas-Erik Zwering is a former Dutch swimmer and an Olympic medalist. He is currently studying MBO entrepreneurship as he trained in Eindhoven with the PSV Eindhoven swim club. His personal coach was Jacco Verhaeren, who is also coach for Dutch swimming phenom Pieter van den Hoogenband.
Ryan Steven Lochte is an American former competition swimmer and 12-time Olympic medalist. He is the third-most decorated swimmer in Olympic history measured by total number of medals, behind only Michael Phelps and Katie Ledecky. Lochte's seven individual Olympic medals rank second in history in men's swimming, tied for second among all Olympic swimmers. He currently holds the world records in the 200-meter individual medley. As part of the American teams, he also holds the world record in the 4×200-meter freestyle and 4×100-meter freestyle (mixed) relay.

Milorad "Milo" Čavić is a Serbian former professional swimmer. He won a silver medal in the 100-meter butterfly at the 2008 Summer Olympics in a historic race with American swimmer Michael Phelps. Čavić also was World and European champion, as well as world record holder. He is one of five swimmers who broke 50 seconds in the 100m butterfly.
Thiago Machado Vilela Pereira is a retired Brazilian international competition swimmer. One of the greatest swimmers in the history of Brazil, Pereira won the silver medal in the 400-meter individual medley at the 2012 Summer Olympics in London, beating the then-current Olympic champion Michael Phelps. He also broke a world record in the short course 200-meter individual medley, and broke several South American and Brazilian records. During his career, he competed with swimming legends Michael Phelps and Ryan Lochte.
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.
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.
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.
Melissa Franklin Johnson is an American former competitive swimmer and five-time Olympic gold medalist. She held the world record in the 200-meter backstroke from 2012 to 2019. As a member of the U.S. national swim team, she also held the world records in the 4×100-meter medley relay.
Thomas Allen Shields is an American competitive swimmer. He is a two-time Olympian and the current American record-holder in the short course 50-meter butterfly and 200-meter butterfly. At the 2016 Summer Olympics, he won a gold medal in the 4×100-meter medley relay, swimming the butterfly leg of the relay in the prelims. Later the same year, he became the first American to swim faster than 44 seconds in the 100-yard butterfly, setting a new American record of 43.84 seconds.

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.
Ryan Fitzgerald MurphyOLY is an American competitive swimmer specializing in backstroke. He is a five-time Olympic gold medalist and the former world-record holder in the men's 100-meter backstroke.
Hali Flickinger is a retired American swimmer who specializes in freestyle, butterfly, and individual medley events. She represents the Cali Condors of 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.
Claire Curzan is an American competitive swimmer and Olympian. Specialising in multiple events, she earned an Olympic silver medal in the 4×100 meter medley relay in the 2020 Summer Olympics by swimming the preliminary butterfly leg. She holds junior world records in the long course 50 meter freestyle and 100 meter butterfly and the short course 50 meter butterfly and 100 meter butterfly. She also holds American records in the short course 50 meter backstroke and 50 meter butterfly, and formerly held the American record in the 100 yard butterfly. She currently swims for the Virginia Cavaliers.
Joseph Hunter Armstrong is an American competitive swimmer. He is the world record holder in the long course 50 meter backstroke. At the 2022 World Aquatics Championships, he won a silver medal in the 50 meter backstroke, a bronze medal in the 100 meter backstroke, gold medals in the 4×100 meter freestyle relay and 4×100 meter mixed medley relay, and a silver medal in the 4×100 meter medley relay. At the 2020 Summer Olympics, he won a gold medal in the 4×100 meter medley relay, swimming backstroke in the preliminaries, and placed ninth in the 100 meter backstroke.
Shaine Casas is an American professional swimmer. He is an Americas record holder in the short course 4×50 meter medley relay, swimming the butterfly leg of the relay. At the 2021 World Short Course Championships, he won the gold medal in the 100-meter backstroke, a silver medal in the 200-meter backstroke, and placed seventh in the 50-meter backstroke. In 2022, at the year's World Aquatics Championships, he won the bronze medal in the 200-metre backstroke. Later in the year, at the 2022 World Short Course Championships, he won the silver medal in the 200-metre backstroke and placed fourth in the finals of the 100-meter individual medley and 200-meter individual medley.