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 butterfly and 200-meter butterfly. At the 2016 Summer Olympics, he won a gold medal in the 4×100-meter medley relay, 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 seconds.
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 diving competitions at the 2020 Summer Olympics in Tokyo featured eight events. It was one of four aquatic sports at the Games, along with swimming, water polo, and synchronised swimming.
Hali Flickinger is an American professional swimmer who specializes in freestyle, butterfly, and individual medley events. She represents the Cali Condors of the International Swimming League.
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.
Abbigail "Abbey" Weitzeil is an American competition swimmer specializing in sprint freestyle. A multiple time Olympic medalist, she won a gold medal in the 4x100-meter medley relay for swimming in the preliminary heats and a silver medal in the 4x100-meter freestyle relay at the 2016 Rio Olympics. At the 2020 Summer Olympics she won a silver medal in the 4x100-meter medley relay and a bronze medal in the 4x100-meter freestyle relay, swimming in the final of both events. She is the American record holder in the 50-yard freestyle and is part of the American Record in the 4x100-meter freestyle relay.
Jordan Matthew Wilimovsky is an American competitive swimmer who specializes in open water swimming. At the 2015 World Championships in Kazan, Russia, Wilimovsky won the gold medal in the 10 km open water event. Wilimovsky won by a margin of 12.1 seconds over the second-place finisher Ferry Weertman of the Netherlands. At the 2016 Summer Olympics, Wilimovsky competed in both pool swimming and open water swimming events, becoming the first American to swim in both types of events at one Olympic 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.
Blake John Pieroni is a three-time Olympic gold medalist in swimming. He is a two time Olympian and gold medalist in the 4×100-meter freestyle relay at both the 2016 Summer Olympics and the 2020 Summer Olympics. On the relay in 2016, he swam in the prelims of the race, on the 2020 Olympics 4×100-meter freestyle relay he swam in both the prelims and the final. He also won a gold medal in the 4x100-meter medley relay at the 2020 Olympic Games, swimming the freestyle leg of the relay in the prelims.
Florian Wellbrock is a German swimmer. He is the world record holder in the short course 1500 metre freestyle. He won gold medals in the 10 kilometre open water swim and 1500 metre freestyle at the 2019 World Aquatics Championships. At the 2020 Summer Olympics he won the gold medal in the 10 kilometre open water swim and the bronze medal in the 1500 metre freestyle. In December 2021, he won a gold medal in the 1500 metre freestyle at the 2021 World Short Course Championships.
For the swimming competitions at the 2020 Summer Olympics, the following qualification systems are in place. As the Olympics was postponed to 2021 due to the COVID-19 pandemic, qualification ends on 27 June 2021.
The Bahamas, officially the Commonwealth of The Bahamas, competed at the 2020 Summer Olympics in Tokyo, Japan. Originally scheduled to take place from 24 July to 9 August 2020, the Games have been postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It was the nation's eighteenth consecutive appearance at the Summer Olympics.
Andrey Dmitriyevich Minakov is a Russian swimmer and Olympian. He is the Russian record holder in the long course 100 metre butterfly. He is a former world junior record holder in the long course and short course 50 metre butterfly and long course 100 metre freestyle. At the 2019 World Aquatics Championships, he won silver medals in the 100 metre butterfly and 4×100 metre freestyle relay, and a bronze medal in the 4×100 metre medley relay. In 2021, at the 2020 Summer Olympics, he placed fourth in the 100 metre butterfly, fourth in the 4×100 metre medley relay, seventh in the 4×100 metre freestyle relay, and tenth in the 100 metre freestyle. He also won two gold medals, one silver medal, and three bronze medals at the 2021 World Short Course Championships. In 2022, he won the NCAA title in the 100 yard butterfly.
Jamaica competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. The country's participation marked its seventeenth Summer Olympic appearance as an independent state, although it has previously competed in four other editions as a British colony, and as part of the West Indies Federation.
The COVID-19 pandemic caused the most significant disruption to the worldwide sporting calendar since World War II. Across the world and to varying degrees, sports events were cancelled or postponed. The 2020 Summer Olympics in Tokyo were rescheduled to 2021. At the time, spectators had no games to watch and players no games to play. Only a few countries and territories, such as Hong Kong, Turkmenistan, Belarus, and Nicaragua, continued professional sporting matches as planned.
The 15th FINA World Swimming Championships were held from 16 to 21 December 2021 in Abu Dhabi, United Arab Emirates. It was previously scheduled for 13 to 18 December but moved back three days on 24 February 2021. Originally scheduled to be held in 2020, the championships were pushed back one year as a result of the COVID-19 pandemic. Competition took place in a 25-metre temporary pool installed at Etihad Arena.
Lydia Alice Jacoby is an American professional swimmer. She was the first Alaskan to qualify for an Olympic Games in swimming, competing at the 2020 Summer Olympics in Tokyo in 2021, where she won the gold medal in the 100-meter breaststroke with a time of 1:04.95, which was the fastest time ever achieved by a female American swimmer in the event in the 17–18 age group. Later in the year, she was the overall highest scoring female American competitor at the 2021 FINA Swimming World Cup. In 2022, she became the fastest female American swimmer in history in the 100-yard breaststroke for the 17–18 age group with a national age group record time of 57.54 seconds. In 2023, she further lowered the record to a time of 57.45 seconds, then 57.29 seconds, and set a national age group record of 2:04.32 for the girls 17–18 age group in the 200-yard breaststroke. She is the 2023 NCAA Division I champion in the women's 100-yard breaststroke.
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.
Kevin Patrick Callan is a retired American competitive swimmer. In 2017, he won a silver medal in the 4×200-meter freestyle relay at the 2017 World Junior Championships. In 2020, he won silver medals in the 200-meter freestyle and the 400-meter freestyle at the year's U.S. Open Championships. At the 2020 Summer Olympics, Callan was part of the 4×200-meter freestyle relay that took fourth place. At the 2023 NCAA Division I Men's Swimming and Diving Championships, he won a bronze medal in the 4×200-yard freestyle relay. He has a younger brother, Christopher Jack Callan.
The 8th FINA World Junior Swimming Championships was held from 30 August to 4 September 2022 at the Videna Aquatic Center in Lima, Peru. It was open to competition for girls ages 14 to 17 years old and boys ages 15 to 18 years old at the end of the 2022 calendar year. All events were conducted in a 50-metre pool.
