The World Aquatics Junior Swimming Championships is an international swimming championship event organized biennially by World Aquatics for swimmers aged 14–18 years as of the 31st December of the year of the competition. It is usually held on odd years. Prior to 2023, the event was known as the FINA World Junior Swimming Championships and was open to female swimmers aged 14–17 and male swimmers aged 15–18 as of the 31st of December of the year of the competition.
Sarah Fredrika Sjöström is a Swedish competitive swimmer specialising in the sprint freestyle and butterfly events.
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.
Emma Jennifer McKeon, is an Australian competitive swimmer. She is an eight-time world record holder, three current and five former, in relays. Her total career haul of 11 Olympic medals following the 2020 Olympic Games made her Australia's most decorated Olympian and included one gold medal from the 2016 Summer Olympics in Rio de Janeiro and four gold medals from the 2020 Summer Olympics in Tokyo. With four gold and three bronze medals she was the most decorated athlete across all sports at the 2020 Summer Olympics, and tied for the most medals won by a woman in a single Olympic Games. She has also won 20 medals, including five gold medals, at the World Aquatics Championships; and a record 20 medals, including 14 gold, at the Commonwealth Games.
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.
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
Ilya Syarheyevich Shymanovich is a Belarusian swimmer. He is the world record holder in the short course 100 metre breaststroke and a former world record holder in the short course 50 metre breaststroke. At the 2018 World Championships he won two silver medals, one each in the 100 metre breaststroke and the 50 metre breaststroke. He won two gold medals, one in the 50 metre breaststroke and one in the 200 metre breaststroke, and a silver medal, in the 100 metre breaststroke, at the 2021 European Short Course Championships. At the 2021 World Short Course Championships he won the gold medal in the 100 metre breaststroke.
Szebasztián Szabó is a Hungarian swimmer. He is a world record holder in the short course 50 metre butterfly. He competed in the men's 50 metre butterfly event at the 2017 World Aquatics Championships representing Serbia. In 2019, Szabó was member of the 2019 International Swimming League representing Team Iron. The same year he chose represent Hungary in the future, which was granted by FINA.
Claire Curzan is an American swimmer and Olympian. Specialising in multiple events, she is an Olympic silver medallist in the 4×100 meter medley relay in the 2020 Summer Olympics, swimming the butterfly leg of the relay in the prelims. She also holds the junior world record in the long course 50 meter freestyle and 100 meter butterfly and the short course 50 meter butterfly and 100 meter butterfly. She swims for the Virginia Cavaliers.
Victoria "Torri" Huske is an American swimmer. She is the current American record holder in both the 100-meter butterfly and the 50-meter butterfly. At the 2022 Fina World Swimming Championships in Budapest, Hungary, Huske, just 19, became one of only four American women in history to win six medals at a World Championships.
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.
Michele Lamberti is a competitive Italian swimmer. He is a former world record holder in the short course 4×50-metre medley relay. He currently holds the Italian record in the short course 50-metre backstroke. At the 2021 European Short Course Championships he won a gold medal and set a world record in the 4×50-metre medley relay, won three silver medals, one in the 50-metre backstroke, one in the 100-metre butterfly, and one in the 4×50-metre mixed medley relay, and won a bronze medal in the 200-metre backstroke. At the 2021 World Short Course Championships he won two bronze medals in relay events, swimming in the preliminaries for each relay.
The Women's 50 metre butterfly competition of the 2022 FINA World Swimming Championships was held on 13 and 14 December 2022.
The Men's 50 metre breaststroke competition of the 2022 FINA World Swimming Championships was held on 17 and 18 December 2022.
The Men's 50 metre backstroke competition of the 2022 FINA World Swimming Championships was held on 15 and 16 December 2022.
The Women's 100 metre butterfly competition of the 2022 FINA World Swimming Championships was held on 17 and 18 December 2022.
