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.
The first world record in the men's 400 metres freestyle in long course (50 metres) swimming was recognised by the International Swimming Federation (FINA) in 1908. In the short course (25 metres) swimming events the world's governing body recognizes world records since 3 March 1991.
Sarah Fredrika Sjöström is a Swedish competitive swimmer specialising in the sprint freestyle and butterfly events. She is the current world record holder in the 50 metre freestyle, the 100 metre freestyle, the 50 metre butterfly and the 100 metre butterfly. She is a former world record holder in the 50 metre freestyle, 100 metre freestyle, 100 metre butterfly, 200 metre freestyle, and the 4×50 metre medley relay. She is the first Swedish woman to win an Olympic gold medal in swimming. She won the Overall Swimming World Cup in 2017 and 2018. In 2022, she became the first swimmer representing a country in Europe to win 10 individual World Championships gold medals. She currently represents Energy Standard in the International Swimming League.
Coralie Balmy is a French freestyle swimmer. Balmy was born in La Trinité, Martinique. She won her first senior title at the 2008 European Aquatics Championships in Eindhoven in the 4 × 200 m relay freestyle. At the same Championships she won the silver medal in the 400 m freestyle with the time of 4:04.15, all-time fourth fastest behind Federica Pellegrini's world record. At the 2008 Summer Olympics in Beijing, she finished fourth in the 400 m freestyle final. On 6 December 2008 she set the world record for the 200 m freestyle at the French National Championships in Angers, France in a time of 1:53.16. At the 2012 Summer Olympics her 4 × 200 m freestyle team won the bronze medal in a time of 7:47.49. The split times: Camille Muffat (1:55.51); Charlotte Bonnet (1:57.78); Ophélie-Cyrielle Étienne (1:58.05); Coralie Balmy (1:56.15).
The men's 4 × 200 metre freestyle relay event at the 2008 Olympic Games took place on 12–13 August at the Beijing National Aquatics Center in Beijing, China.
The women's 4 × 100 metre freestyle relay event at the 2008 Olympic Games took place on 9–10 August at the Beijing National Aquatics Center in Beijing, China.
The women's 4 × 100 metre medley relay event at the 2008 Olympic Games took place on 15 and 17 August at the Beijing National Aquatics Center in Beijing, China.
The women's 200 metre freestyle event at the 2008 Olympic Games took place on 11–13 August at the Beijing National Aquatics Center in Beijing, China.
The women's 400 metre freestyle event at the 2008 Olympic Games took place on 10–11 August at the Beijing National Aquatics Center in Beijing, China.
Allison Rodgers Schmitt is an American competition swimmer who specializes in freestyle events. She is a four-time Olympian and a ten-time Olympic medalist.
Camille Muffat was a French swimmer and three-time Olympic medalist. Swimming for the Olympic Nice Natation club, she specialised in the individual medley and the free style events. Her career ran from 2005 to 2014.
The women's 200 metre freestyle event at the 2012 Summer Olympics took place on 30–31 July at the London Aquatics Centre in London, United Kingdom.
The women's 400 metre freestyle event at the 2012 Summer Olympics took place on 29 July at the London Aquatics Centre in London, United Kingdom.
The women's 4 × 200 metre freestyle relay event at the 2012 Summer Olympics took place on 1 August at the London Aquatics Centre in London, United Kingdom.
The women's 4 × 100 metre medley relay event at the 2012 Summer Olympics took place on 3–4 August at the London Aquatics Centre in London, United Kingdom.
Ophélie-Cyrielle Étienne is a French swimmer from Wissembourg. In the 2012 Summer Olympics her 4 × 200 m freestyle team won a bronze medal in a time of 7:47.49. The split times were: Camille Muffat (1:55.51); Charlotte Bonnet (1:57.78); Étienne (1:58.05); Coralie Balmy (1:56.15).
Kathleen Genevieve Ledecky is an American competitive swimmer. She has won seven Olympic gold medals and 19 world championship gold medals, the most in history for a female swimmer. Ledecky's six individual gold medals at the Olympics, 14 individual gold medals at the World Aquatics Championships, and 22 overall medals at the World Aquatics Championships are records in women's swimming. Ledecky is the world record holder in the women's 800- and 1500-meter freestyle as well as the former world record holder in the women's 400-meter freestyle. She also holds the fastest-ever times in the women's 500-, 1000-, and 1650-yard freestyle events. She is widely regarded as one of the greatest Olympians and the greatest female swimmer of all time.
Misaki Yamaguchi is a Japanese swimmer, who specialized in freestyle events. She represented her nation Japan at the 2008 Summer Olympics, and has won a career total of two medals in a major international competition, spanning the Summer Universiade and the Pan Pacific Championships. She set a Japanese record of 54.43 in the 100 m freestyle at the 2009 Japan National Sports Festival in Nagaoka, Niigata. Yamaguchi is a student at Kinki University in Fukuoka.
The women's 400 metre freestyle event at the 2016 Summer Olympics took place on 7 August, at the Olympic Aquatics Stadium.
Claire Curzan is an American swimmer. She is a world junior record holder in the long course 50 meter freestyle and 100 meter butterfly and the short course 50 meter butterfly and 100 meter butterfly. She is an American record holder in the short course 50 meter backstroke and 50 meter butterfly and formerly held the American record in the 100 yard butterfly. As a 15-year-old at the 2019 World Junior Championships, she won medals in three individual events, silver in the 100 meter backstroke and bronze in the 50 meter and 100 meter butterfly. At the 2020 Summer Olympics she won a silver medal in the 4×100 meter medley relay for her contribution swimming the butterfly leg of the relay in the prelims and in her individual event, the 100 meter butterfly, she placed tenth. At the 2021 World Short Course Championships, she won bronze medals in the 50 meter butterfly and 100 meter butterfly. In 2022, she won a bronze medal in the 100 meter backstroke at the 2022 World Aquatics Championships and silver medals in the 50 meter backstroke and 200 meter backstroke as well as a bronze medal in the 100 meter backstroke at the 2022 World Short Course Championships.
