The FINA World Junior Swimming Championships is a swimming championship event organized by FINA for girls aged 14–17 and boys aged 15–18 on 31 December of the year of the competition. It is held biennially, and has been held since 2006.
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-meter freestyle, the 100-meter freestyle, the 50-meter butterfly, the 100-meter butterfly, and the 4×50-meter medley relay. She is a former world record holder in the 50-meter freestyle, 100-meter freestyle, 100-meter butterfly, and 200-meter freestyle. 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 from Europe to win 10 individual World Championships gold medals. She currently represents Energy Standard in the International Swimming League.
This article includes the world record progression for the 4×200 metres freestyle relay, and it shows the chronological history of world record times in that competitive swimming event. The 4×200 metres freestyle relay is a relay event in which each of four swimmers on a team swims a 200-metre freestyle leg in sequence. The world records are recognized by and maintained by FINA, the international competitive swimming and aquatics federation that oversees the sport in international competition.
The Women's 100 metre Freestyle at the 10th Short Course World Swimming Championships took place 16 – 17 December 2010 in Dubai, United Arab Emirates. The heats and semifinals were 16 December; the final was 17 December.
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 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.
The Women's 100 Butterfly at the 10th FINA World Swimming Championships (25m) took place 18 – 19 December 2010 in Dubai, United Arab Emirates. The heats and semifinals were swum 18 December; the final on 19 December.
The Women's 50 Backstroke event at the 10th Short Course World Swimming Championships took place 18 – 19 December 2010 in Dubai, United Arab Emirates. The heats and semifinals were 18 December; the final was 19 December.
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 women's 100 metre freestyle event at the 11th FINA World Swimming Championships (25m) took place 13 – 14 December 2012 at the Sinan Erdem Dome.
The women's 50 metre freestyle event at the 11th FINA World Swimming Championships (25m) took place 15 – 16 December 2012 at the Sinan Erdem Dome.
Etiene Pires de Medeiros is a Brazilian competitive swimmer who participates in backstroke and freestyle events. Widely regarded as the best Brazilian woman swimmer of all time, Medeiros was the first Brazilian to win an individual gold medal in a World Championship and Pan American Games, and the first to be a world record-holder in the modern era
Abbigail "Abbey" Weitzeil is an American competition swimmer specializing in sprint freestyle. A multiple time Olympic medalist, she won a gold medal in the 4x100-meter medley relay for swimming in the preliminary heats and a silver medal in the 4x100-meter freestyle relay at the 2016 Rio Olympics. At the 2020 Summer Olympics she won a silver medal in the 4x100-meter medley relay and a bronze medal in the 4x100-meter freestyle relay, swimming in the final of both events. She is the American record holder in the 50-yard freestyle and is part of the American Record in the 4x100-meter freestyle relay.
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.
Claire Curzan is an American swimmer. She is the world junior record holder in the short course 100 meter butterfly and 50 meter freestyle. She also holds the American record in the short course 50 meter butterfly and the 100 yard butterfly. She won four medals at the 2019 World Junior Swimming Championships. 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 a total of two gold medals and two silver medals in relay events, and two bronze medals in individual events.
Analia Pigrée is a French Guianese swimmer who competes internationally representing France. She is the French record holder in the 50 metre backstroke, in both long course and short course, and the short course 100 metre backstroke. At the 2021 European Short Course Championships she won a silver medal in the 50 metre backstroke and a bronze medal in the 100 metre backstroke. She won the bronze medal in the 50 metre backstroke at the 2022 World Aquatics Championships. She is the 2022 European champion in the 50 metre backstroke.
