This article includes the world record progression for the 4×100 metres freestyle relay, and it shows the chronological history of world record times in that competitive swimming event. The 4×100 metres freestyle relay is a relay event in which each of four swimmers on a team swims a 100-metre freestyle leg in sequence. The world records are recognized by and maintained by FINA, the international competitive swimming and aquatics federation that overseas the sport in international competition.
The Men's 50 Freestyle at the 10th FINA World Swimming Championships (25m) was swum 16–17 December 2010 in Dubai, United Arab Emirates. Preliminary heats and semifinals of the event were on 16 December; the final on 17 December.
The Women's 400 Freestyle at the 10th FINA World Swimming Championships (25m) was swum on 17 December 2010 in Dubai, United Arab Emirates. 47 swimmers raced in the preliminary heats, with the top-8 advancing to a final that evening.
The Men's 100 Freestyle at the 10th FINA World Swimming Championships (25m) was swum 18 – 19 December in Dubai, United Arab Emirates. On 18 December 125 individuals swam in the Preliminary heats in the morning, with the top-16 advancing onto Semifinals that evening. The top-8 from Semifinals then advanced to the final the next evening.
Vladimir Viktorovich Morozov is a Russian competitive swimmer and Olympic medalist. He is the former world record holder in the short course 100-metre individual medley, the current textile world record, World Cup record and Russian national record holder in the 100-metre individual medley and 100-metre freestyle, and Russian record holder in the 50-metre freestyle. He also holds the European record for the 100-metre individual medley. Formerly he held the Russian national record in the 50-metre backstroke and the 50-metre butterfly, and held the European and Russian records in the 50-metre breaststroke.
The men's 400 metre freestyle event at the 11th FINA World Swimming Championships (25m) took place 14 December 2012 at the Sinan Erdem Dome.
The women's 400 metre freestyle event at the 11th FINA World Swimming Championships (25m) took place 14 December 2012 at the Sinan Erdem Dome.
Ryan Held is an American freestyle swimmer who specializes in the sprint events, and is currently sponsored by Arena. He holds the U.S. Open record in the long course 100 meter freestyle and three world records in short course relay events. At the 2016 Summer Olympics he won a gold medal in the 4×100 meter freestyle relay, swimming in both the prelims and the final of the event. In 2021, he won silver medals in the 50 meter freestyle and the 100 meter freestyle at the 2021 World Short Course Championships. At his first FINA World Aquatics Championships, the 2022 World Aquatics Championships, he won a gold medal in the 4×100 meter freestyle relay.
Dylan Carter is a Trinidad and Tobago competitive swimmer. He is the Trinidad and Tobago record holder in the long course and short course 100 metre freestyle, 50 metre backstroke, 100 metre backstroke, 50 metre butterfly, and 100 metre butterfly. At the 2021 World Short Course Championships, he became the first swimmer representing Trinidad and Tobago to win a silver medal a World Short Course Championships, winning the silver medal in the 50 metre butterfly. In 2018 and 2022, he won the bronze medal in the 50 metre butterfly and the 50 metre freestyle at the World Short Course Championships, respectively. He was the male overall winner for the 2022 FINA Swimming World Cup, winning nine gold medals, five in Trinidad and Tobago record times, to become the first Trinidad and Tobago overall winner. He is of Portuguese descent
Alessandro Miressi is an Italian swimmer. He is a world record holder in the short course 4×100 metre freestyle relay and an Italian record holder in the long course and short course 100 metre freestyle. In the long course 100 metre freestyle, he was 2018 European champion, 2020 European Championships silver medalist, and 2022 European Championships bronze medalist. In the short course 100 metre freestyle, he was 2021 World champion, 2019 and 2021 European Championships silver medalist, and 2022 World Championships bronze medalist.
Maxime Grousset is a French swimmer from New Caledonia. He is a world record holder in the short course 4×50 metre mixed freestyle relay. He won the silver medal in the 100 metre freestyle and the bronze medal in the 50 metre freestyle at the 2022 World Aquatics Championships as well as the silver medal in the 100 metre freestyle at the 2022 World Short Course Championships. At the 2022 European Aquatics Championships, he won the silver medal in the 50 metre butterfly.
Leonardo Coelho Santos is a Brazilian swimmer.
Thomas Ceccon is an Italian swimmer. He is a world record holder in the long course 100 metre backstroke and the short course 4×100 metre freestyle relay. He is also the Italian record holder in the long course 50 metre backstroke and 50 metre butterfly. He is the 2022 World champion in the 100 metre backstroke and 2022 European champion in the 100 metre backstroke and 50 metre butterfly. In the 100 metre individual medley, he won the gold medal at the 2022 World Short Course Championships and the bronze medal at the 2021 World Short Course Championships. At the 2020 Summer Olympics, he won a silver medal in 4×100 metre freestyle relay, a bronze medal in the 4×100 metre medley relay, placed fourth in the 100 metre bacsktroke, and placed twelfth in the 100 metre freestyle.
Kieran Smith is an American swimmer specializing in freestyle and individual medley events. He currently co-holds short course world records in the 4×200 meter freestyle relay and the 4×100 meter medley relay. He is the Americas record holder in the long course 400 meter freestyle and the American record holder in the 500 yard freestyle. In the 400 meter freestyle, he won the bronze medal at the 2020 Summer Olympics and the gold medal at the 2022 World Short Course Championships. Following a fourth-place finish in the 4×200 meter freestyle relay at the 2020 Summer Olympics, he won gold medals in the event at the 2021 World Short Course Championships, 2022 World Aquatics Championships, and the 2022 World Short Course Championships.
Joseph Hunter Armstrong is an American 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.
Pieter Coetze is a South African swimmer. He is the African record holder in the long course and short course 100 metre backstroke and short course 50 metre backstroke. At the 2022 Commonwealth Games, he won the gold medal in the 100 metre backstroke, the silver medal in the 50 metre backstroke, and the bronze medal in the 200 metre backstroke. At the 2022 World Junior Championships, he competed in ten events, including winning the gold medal in the 200 metre backstroke, silver medals in the 50 metre backstroke, 100 metre backstroke, and the 4×100 metre medley relay, as well as a bronze medal in the 4×100 metre mixed medley relay.
Sergey Geybel is a competitive Russian swimmer specializing in breaststroke events. He is a former world record holder in the 4×100-metre medley relay and the 4×50-metre medley relay. He won a gold medal at the 2008 World Short Course Championships as part of the world-record-setting finals relay team in the 4×100-metre medley relay. He also won two silver medals and one bronze medal over the course of his career in the 4×50-metre medley relay at the European Short Course Championships.
Daniil Valerievich Pasynkov is a competitive Russian swimmer. He is a Russian record holder in the short course 200 metre individual medley. At the 2019 European Short Course Swimming Championships, he won the bronze medal in the 400 metre individual medley.
Trenton Jeffrey Julian is an American competitive swimmer. He is a world record holder in the short course 4×200 meter freestyle relay and 4×100 meter medley relay. He won a gold medal in the 4×200 meter freestyle relay at the 2019 World University Games. He followed up with gold medals in the 4×200 meter freestyle relay at the 2021 World Short Course Championships, 2022 World Aquatic Championships, and 2022 World Short Course Championships. In the 4×100 meter medley relay, he won a world title and gold medal at the 2022 World Short Course Championships, swimming butterfly on each the prelims and finals relay.
Flynn Southam is an Australian swimmer. At the 2022 Junior Pan Pacific Championships, he won gold medals in the 50 metre freestyle, 100 metre freestyle, and 200 metre freestyle. In the 4×100 metre freestyle relay, he won a gold medal at the 2022 Commonwealth Games as well as silver medals at the 2022 Junior Pan Pacific Championships and the 2022 World Short Course Championships, swimming on the finals relay at each competition. In the 4×200 metre freestyle relay, he won gold medals as a finals relay member at the 2022 Commonwealth Games and 2022 Junior Pan Pacific Championships, and a silver medal at the 2022 World Short Course Championships.
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