Oussama "Ous" Mellouli is a Tunisian swimmer who competes in the freestyle and medley events. He is a three-time Olympic medalist, is an African record holder, and trains with the USC Trojans team based at the University of Southern California, where he studied as a computer science undergraduate and swam collegiately.
Frederik Carlo Hviid Köhler is a former long-distance freestyle and medley swimmer from Spain who competed at two consecutive Summer Olympics for his native country, starting in 1996. In the late 1990s he won several medals in the international short course and long course events. He's a recipient of the Spanish Cross of the Order of Merit, handed to him by then crown prince Felipe de Borbón.
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 final of the Women's 400 metres Individual Medley event at the European LC Championships 1997 was held in Tuesday 19 August 1997 in Seville, Spain.
The qualifying heats and the finals of the women's 400 metres individual medley event at the 1997 FINA Short Course World Championships were held on the first day of the championships, on Thursday 17 April 1997 in Gothenburg, Sweden.
The finals and the qualifying heats of the men's 400 metre individual medley event at the 1998 World Aquatics Championships were held on Tuesday 13 January 1998 in Perth, Western Australia.
The finals and the qualifying heats of the women's 400 metre individual medley event at the 1998 World Aquatics Championships were held on Monday 12 January 1998 in Perth, Western Australia.
The finals and the qualifying heats of the Women's 400 metres Individual Medley event at the 1998 European Short Course Swimming Championships were held on the first day of the competition, on Friday 11 December 1998 in Sheffield, England.
The men's 400 metre individual medley (IM) at the 2007 World Aquatics Championships took place on 1 April at the Rod Laver Arena in Melbourne, Australia. As the event was over 400 meters in length, no semifinals were held in it and the top 8 swimmers from the preliminary heats advance directly to the single final heat. 50 swimmers were entered in the event, of which 49 swam.
Ye Shiwen is a Chinese swimmer. At the 2012 Summer Olympics, she won gold medals in the 400 metres and 200 metres individual medley, breaking the world record in the 400 m event and the Olympic record in the 200 m event.
Kosuke Hagino is a Japanese former competitive swimmer who specialized in the individual medley and 200 m freestyle. He is a four-time Olympic medalist, most notably winning gold in the 400 m individual medley at the 2016 Summer Olympics.
Daiya Seto is a Japanese professional swimmer who specializes in individual medley, butterfly, breaststroke, and freestyle events. He holds the world record in the short course 400-metre individual medley and formerly held the world record in the short course 200-metre butterfly. He won the gold medal in the 400-metre individual medley at the 2012, 2014, 2016, 2018, 2021, and 2022 world short course championships, as well as at the 2013, 2015, and 2019 world long course championships.
Chase Tyler Kalisz is an American swimmer who specializes in individual medley events. He is an Olympic gold medalist in the 400-meter individual medley at the 2020 Summer Olympics in Tokyo, an Olympic silver medalist at the 2016 Summer Olympics in Rio de Janeiro and a two-time World Aquatics Championships gold medalist.
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.
Pang Sheng Jun is a Singaporean former national swimmer.
Thomas William Darnton Dean is an English competitive freestyle swimmer. He is a double Olympic gold medalist, winning gold individually in 200 metre freestyle and as part of a team in 4 × 200 m freestyle relay at the 2020 Summer Olympics.
The men's 400 metre individual medley competition at the 2018 Pan Pacific Swimming Championships took place on August 9 at the Tokyo Tatsumi International Swimming Center. The defending champion was Kosuke Hagino of Japan.
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.
The Men's 400 metre individual medley competition of the 2022 FINA World Swimming Championships was held on 17 December 2022.
