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.
The European Junior Swimming Championships is an annual swimming competition for European swimmers organized by the Ligue Européenne de Natation and held over five days. The competitor age for females was 15 to 16 years; for males it is 17 to 18 years until 2015. From 2016 the competitor age is for females 14 to 17 years and for males 15 to 18 years.
Lauren Marie Boyle is a former competitive swimmer from New Zealand. She has competed at three Commonwealth Games and three Olympic Games.
James George Guy is an English competitive swimmer who specialises in freestyle and butterfly. Guy has won multiple gold medals at each of the major international meets available to him, including for Great Britain at the Olympic Games (2), the World (5) and European Championships (7), and England in the Commonwealth Games (2). In addition to further medals in those events, he has also reached the podium at both the World and European short-course championships. With 45 major medals at international championship meets, 19 at global level, he is one of the most decorated swimmers in British history.
Sydney Pickrem is a Canadian competitive swimmer. A two-time Olympian, she won a silver medal at the 2020 Summer Olympics as part of the Canadian 4×100 metre medley relay team, and is a seven-time World Aquatics Championships medalist.
Corey Charles Garth Main is a New Zealand swimmer who qualified to compete at the 2016 Summer Olympics to be held in Rio de Janeiro, Brazil, in the men's 100 metre backstroke.
Kyle Abeysinghe is a Sri Lankan national swimmer who has represented his country at several international competitions. At the domestic level, Abeysinghe holds numerous national records, has been national champion several times, and is a member of the Killer Whale Aquatic Club, under his coach and father, Manoj Abeysinghe. At the 2017 Youth Commonwealth Games in Nassau, Bahamas, Abeysinghe won two silver medals in the 50m and the 100m Freetyle, becoming the only Sri Lankan in swimming to achieve this feat.
Freya Ann Alexandra Anderson is a British swimmer, known primarily for her achievements as a freestyle sprinter, especially as a relay swimmer for Great Britain. Anderson achieved nine relay gold medals at three editions of the European Championships, including 5 golds in a single meet at the 2020 European Championships in Budapest, as well as two bronze medals at the Commonwealth Games and a bronze at the 2019 World Aquatics Championships. In July 2021, she won gold as part of the British team at the 2020 Tokyo Olympics in mixed 4 × 100 metre medley relay, swimming the freestyle anchor leg in the heat.
Rebecca Meder is a South African swimmer. She is the African record holder in the 100 metre individual medley and the South African record holder in the long course and short course 200 metre individual medley. At the 2022 World Short Course Championships, she placed sixth in the final of the 100 metre individual medley. In the 200 metre individual medley at the 2022 Commonwealth Games, she placed fourth in the final. At the 2021 African Championships, she won 11 gold medals, six in individual events and five in relay events, swimming on the finals relay for each of the five relay events.
Stephanie Balduccini is a Brazilian swimmer. She competed in the 2020 Summer Olympics at age 16. In the 100m freestyle, she finished 6th at the 2024 World Championships in Doha, and obtained a silver at the 2023 Pan American Games.
Mollie Grace O'Callaghan, is an Australian swimmer. She was the 2023 world champion in the women's 100m and 200m freestyle individual events, and part of the world champion 4 × 100 m and 4 × 200 m Australian women's relay teams together with 4 × 100 m mixed relay team. As of July 2023 she is the world record holder in the women's individual 200m freestyle.
