Michael George Klim, OAM is a Polish-born Australian swimmer, Olympic gold medallist, world champion, and former world record-holder of the 1990s and 2000s.
James Hickman is a male English former competitive swimmer.
Stephen Benjamin Parry is an English former competitive swimmer who represented Great Britain in the Olympics, FINA world championships and European championships, and England in the Commonwealth Games. He competed internationally in 100-metre and 200-metre butterfly events.
William Ashley Kirby is an Australian swimmer who was competitive on an international level in the nineties and early 2000s. He specialized in freestyle and butterfly and won a gold medal at the 2000 Summer Olympics in Sydney as part of the 4 × 200 m freestyle relay team. He was an Australian Institute of Sport scholarship holder.
The finals and the qualifying heats of the men's 200 metres freestyle 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 men's 200 metre individual medley event at the 1998 World Aquatics Championships were held on Saturday 1998-01-17 in Perth, Western Australia.
The finals and the qualifying heats of the women's 200 metre butterfly event at the 1998 World Aquatics Championships were held on Sunday 18 January 1998 in Perth, Western Australia.
The finals and the qualifying heats of the women's 100 metre butterfly event at the 1998 World Aquatics Championships were held on Thursday 15 January 1998 in Perth, Western Australia.
The finals and the qualifying heats of the men's 100 metre butterfly event at the 1998 World Aquatics Championships were held on Friday 1998-01-16 in Perth, Western Australia.
The finals and the qualifying heats of the men's 200 metre breaststroke event at the 1998 World Aquatics Championships were held on Friday 1998-01-16 in Perth, Western Australia.
The finals and the qualifying heats of the men's 200 metre backstroke event at the 1998 World Aquatics Championships were held on Sunday 1998-01-18 in Perth, Western Australia.
The final and the qualifying heats of the men's 4×200 metre freestyle relay event at the 1998 World Aquatics Championships were held on Tuesday 13 January 1998 in Perth, Western Australia.
Chad Guy Bertrand le Clos, OIS is a South African competitive swimmer who is an Olympic, World and Commonwealth Games champion as well as the Commonwealth record holder in the 50 and 100-metre butterfly. He is a former world record holder in the short course 100-metre butterfly and 200-metre butterfly. He won gold in the 200-metre butterfly and silver in the 100-metre butterfly in the 2012 Olympics in London, as well as silver medals in the 200-metre freestyle and 100-metre butterfly in the 2016 Summer Olympics. He also won five medals at the 2010 Summer Youth Olympics in Singapore. Le Clos has won the Overall Swimming World Cup four times: 2011, 2013, 2014, and 2017. In 2018, Le Clos claimed three gold medals in the 50m, 100m and 200m butterfly events at the Commonwealth Games. He also placed second in the 100m freestyle and third, along with teammates Cameron van der Burgh, Calvyn Justus and Brad Tandy, in the 4x100 medley relay. With another win in the 200m butterfly, Le Clos made history by becoming the first man to win three consecutive 200m butterfly Commonwealth titles.
Thomas Allen Shields is an American competitive swimmer. He is a two-time Olympian and the current American record-holder in the short course 50-meter and 200-meter butterfly events. At the 2016 Summer Olympics, Shields won a gold medal in the 4x100-meter medley relay for swimming the butterfly leg of the relay in the prelims. Later the same year he became the first American to swim faster than 44 seconds in the 100-yard butterfly, setting a new American record of 43.84. For the 2020 Summer Olympics, he swam the butterfly leg of the 4x100-meter medley relay in the prelims, and won a gold medal in the event when the finals relay finished in first place. At the Kazan stop of the 2021 FINA Swimming World Cup, Shields was the one and only swimmer representing the United States to compete in the international swimming competition, winning two gold medals and one silver medal in individual events. For the whole 2021 World Cup, Shields was the highest scoring American competitor and second-highest scoring male competitor.
Mark Kwok Kin-ming is a former swimmer for Hong Kong, who specialized in middle-distance freestyle but also competed in butterfly and individual medley. He is a two-time Olympian, and a bronze medalist at the 1998 Asian Games in Bangkok, Thailand. He also holds numerous Hong Kong records in 200, 400, and 800 m freestyle, and retains a dual resident status to compete internationally for his father's homeland. While studying in the United States, Kwok has competed for the USC Trojans, and has received four All-American honors at the NCAA Men's Swimming and Diving Championships in four consecutive seasons.
Zhang Yufei is a Chinese competitive swimmer who specializes in sprint freestyle and butterfly events. Considered one of the most promising swimmers in the international scene, she currently holds a world junior record in the 200 m butterfly, and also produced a tally of ten medals in her swimming career, spanning the Youth Olympics, Asian Games, World Championships and the Summer Olympics.
Kristóf Milák is a Hungarian swimmer. He is the current holder of the world record in the long course 200 metre butterfly and the European record in the long course 100 metre butterfly. He also currently holds the Hungarian record in the short course 50 metre backstroke. At his first Olympic Games, the 2020 Summer Olympics, he won a gold medal in the 200 metre butterfly and a silver medal in the 100 metre butterfly. He has also won one gold medal and one silver at the World Aquatic Championships, as well as three gold medals at the European Aquatics Championships. He was the gold medalist in the 400 metre freestyle, 200 metre freestyle, and 200 metre butterfly events at the 2018 Summer Youth Olympics.
Zach Harting is an American competitive swimmer who specializes in the butterfly and freestyle events. He currently represents the DC Trident which is part of the International Swimming League. He competed in the men's 200 metre butterfly at the 2019 World Aquatics Championships. In 2021, he qualified for the 2020 Summer Olympics in the 200m Butterfly.
Wang Kuan-hung is a Taiwanese swimmer who competes in the butterfly and freestyle events.
Trenton Jeffrey Julian is an American competitive swimmer. He is an American record holder in the short course 4×200 meter freestyle relay. He won a gold medal in the 4×200 meter freestyle relay at the 2019 World University Games. At the 2021 World Short Course Championships he won gold medals in the 4×200 meter freestyle relay and 4×50 meter medley relay and a silver medal in the 4×100 meter medley relay, swimming butterfly on the medley relays.
