Mireia Belmonte García is a Spanish Olympic, world, and European champion swimmer. She is the world record holder in the short course 200-metre butterfly and 400-metre individual medley. Formerly, she held the world record in the short course 400-metre freestyle, 800-metre freestyle, and 1500-metre freestyle. She was the first Spanish woman to win a gold medal in swimming at an Olympic Games and is widely considered to be the greatest Spanish swimmer of all time.
This article includes the world record progression for the 4×100 metres medley relay, and it shows the chronological history of world record times in that competitive swimming event. The 4×100 metres medley relay is a medley race in which each of four swimmers on a team swims a 100-metre leg of the relay, each swimming a different stroke, in the following sequence:
- Backstroke ;
- Breaststroke;
- Butterfly;
- Freestyle.
Ariana Kukors is an American former competition swimmer and former world record holder in the 200-meter individual medley. Ariana now works in private coaching related to athletic performance. Kukors has won a total of seven medals in major international competition, two golds, three silvers, and two bronze spanning the World and the Pan Pacific Championships. She placed fifth in the 200-meter individual medley event at the 2012 Summer Olympics.
Scott Tyler Clary is an American former competition swimmer and Olympic gold medalist. In his Olympic debut at the 2012 Summer Olympics, Clary won gold in the 200-meter backstroke in Olympic record time. In total, he won sixteen medals in major international competitions: three gold, eight silver, and five bronze spanning the Summer Olympics, the FINA World Championships, the Pan Pacific Championships, and the Pan American Games.
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 400 metre individual medley event at the 11th FINA World Swimming Championships (25m) took place 12 December 2012 at the Sinan Erdem Dome.
The women's 4x100 metre medley relay event at the 11th FINA World Swimming Championships (25m) took place 14 December 2012 at the Sinan Erdem Dome.
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 men's 4×100 metre medley relay event at the 11th FINA World Swimming Championships (25m) took place 16 December 2012 at the Sinan Erdem Dome.
The women's 100 metre individual medley event at the 11th FINA World Swimming Championships (25m) took place 13 – 14 December 2012 at the Sinan Erdem Dome.
The men's 200 metre individual medley event at the 11th FINA World Swimming Championships (25m) took place 14 December 2012 at the Sinan Erdem Dome. The event was won by American Ryan Lochte. In the final, Lochte broke his own world record of 1:50.08 set in 2010 with a time of 1:49.63, thus becoming the first individual under 1:50 in the event.
The men's 100 metre individual medley event at the 11th FINA World Swimming Championships (25m) took place 15 – 16 December 2012 at the Sinan Erdem Dome. The final was won by American Ryan Lochte in a time of 51.21. In the semifinals, Lochte broke Peter Mankoč's world record of 50.76 set in 2009 with a time of 50.71.
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.
Travis Mahoney is an Australian medley and backstroke swimmer. Winner of two relay medals at the 2012 World Short Course Championships, he is also part of the quartet that broke the world record in the short course mixed 4 × 50 metres freestyle relay. In 2016, he qualified for his first Olympic Games.
Leonardo Coelho Santos is a Brazilian swimmer.
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 short 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.
Matthew "Matt" Sates is a South African swimmer. He is the African record holder in the short course 200 metre freestyle, 400 metre freestyle, and 200 metre individual medley as well as the South African record holder in the 400 metre individual medley. He is the 2022 World Short Course champion in the 200 metre individual medley and bronze medalist in the 400 metre individual medley. At the 2022 NCAA Division I Championships, he won the NCAA title in the 500 yard freestyle. For the 2021 FINA Swimming World Cup, he was the overall male winner, earning a total of 18 medals, including 13 gold medals.
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.
Kirill Strelnikov is a Russian competitive swimmer. He won a gold medal in the 4×50 metre medley relay at the 2021 World Short Course Championships and the 4×100 metre medley relay at the 2013 World University Games, swimming the breaststroke leg of both relays in the final. At the 2021 European Short Course Championships he won a bronze medal in the 4×50 metre mixed medley relay, swimming the breaststroke leg of the relay in the preliminaries.
