Yuliya Andreyevna Yefimova is a Russian competitive swimmer. She is the Russian record holder in the 200 metre individual medley, 50 metre breaststroke, 100 metre breaststroke, and 200 metre breaststroke. After making her Olympic debut in 2008, she went on to win the bronze medal in the 200 metre breaststroke in 2012, and silver medals in the 100 metre and 200 metre breaststroke in 2016. She is a six-time World Champion, winning the 50 metre breaststroke in 2009 and 2013, the 100 metre breaststroke in 2015, and the 200 metre breaststroke in 2013, 2017, and 2019. In 2019, she became the first woman to win the 200 metre breaststroke at a FINA World Aquatics Championships three times. She is a former world record holder in the long course 50 metre breaststroke. She has won 109 medals, including 48 gold medals, at Swimming World Cups.
Bronte Campbell is a Malawian-born Australian competitive swimmer, a dual Olympic gold-medal winner and world champion. Her older sister, Cate, is also a competitive swimmer, and once held world records in both the short and long course 100 metre individual freestyle events. Bronte and Cate are the first Australian siblings on the same Olympic swimming team since the 1972 Olympics and the first Australian sisters ever to compete within the same swimming event at the Olympics. Bronte Campbell won three gold medals at the 2015 World Championships, including the 50 and 100 metre freestyle events.
Ashley Grace Twichell is an American competition swimmer who specializes in long-distance freestyle and open-water events. She placed seventh in the 10 kilometer open water swim at the 2020 Summer Olympics. Twichell's age at her Olympic Games debut, 32 years of age, made her the oldest American swimmer first-timer at an Olympic Games since 1908.
Anastasiia Krapivina is a Russian swimmer. She competed in the women's marathon 10 kilometre event at the 2016 Summer Olympics.
Ariarne Elizabeth Titmus, is an Australian swimmer. She is the reigning Olympic champion in the women's 200-metre and 400-metre freestyle, having won both events at the 2020 Summer Olympics, the world record holder in the long course 400-metre freestyle, and formerly the world record holder in the short course 400-metre freestyle. In 2019 and 2020, she competed representing the Cali Condors in the International Swimming League.
Simona Quadarella is an Italian swimmer. She specializes in long distance freestyle events. At the 2020 Summer Olympics, she won a bronze medal in Women's 800 metre freestyle, and at the 2019 World Championships in Gwangju, won the gold medal in the 1500 m freestyle, and the silver medal in the 800 m freestyle.
Souad Nefissa Cherouati is an Algerian swimmer. She competed in the women's 1500 metre freestyle event at the 2017 World Aquatics Championships. In 2019, she represented Algeria at the 2019 World Aquatics Championships held in Gwangju, South Korea. She competed in the women's 800 metre freestyle and women's 1500 metre freestyle events. In both events she did not advance to compete in the final.
Catarina Sousa is an Angolan swimmer. She competed in the women's 50 metre backstroke event at the 2017 World Aquatics Championships. In 2019, she represented Angola at the 2019 African Games held in Rabat, Morocco.
Emily Muteti is a Kenyan swimmer. She competed in the women's 100 metre butterfly event at the 2017 World Aquatics Championships. In 2019, she represented Kenya at the 2019 African Games held in Rabat, Morocco and she won the bronze medal in the women's 4 × 100 metre medley relay.
Jeanne Boutbien is a French-Senegalese swimmer. She competed in the women's 100 metre freestyle event at the 2017 World Aquatics Championships.
Kaylee Rochelle McKeown is an Australian swimmer and triple Olympic gold medalist. She is a world record holder in the long course 100 metre backstroke and the short course 200 metre backstroke. She won both the 100 metre and 200 metre backstroke, as well as the 4×100 metre medley relay at the 2020 Summer Olympics staged in Tokyo in 2021.
Osisang Dibech Chilton is a Palauan swimmer. She competed at the 2020 Summer Olympics, in the women's 50 m freestyle.
The women's marathon 10 kilometre event at the 2020 Summer Olympics was held on 4 August 2021 at the Odaiba Marine Park. It was the fourth appearance of the event, having first been held in 2008.
Hannah Margaret McNair "Maggie" Mac Neil is a Canadian competitive swimmer. A 100 metre butterfly event specialist, she is the 2020 Olympic champion, 2019 World (LC) champion, two-time World (SC) champion (2021–2022), and 2022 Commonwealth champion in that event, and also holds the current Americas record (55.59s) and the world record in the short course 100 metre butterfly.
Jenna Strauch is an Australian swimmer. Jenna first represented Australia at the 2013 FINA World Junior Swimming Championships. She competed in the women's 200 metre breaststroke at the 2019 World Aquatics Championships held in Gwangju, South Korea. Jenna reached the semi-finals and she did not qualify to compete in the final. Jenna then went on to represent Australia in the 2020 Summer Olympics where she made it to the semi finals in the 200m Breaststroke qualifying 9th fastest in the world.
Anicka Delgado is an Ecuadorian swimmer. She competed in the women's 50 metre butterfly and women's 100 metre freestyle events at the 2019 World Aquatics Championships held in Gwangju, South Korea. In both events she did not advance to compete in the semi-finals.
Kate Farley Sanderson is a Canadian swimmer. She competed in the women's 5 km and women's 10 km events at the 2019 World Aquatics Championships held in Gwangju, South Korea. In the 5 km event she finished in 24th place and in the 10 km event she finished in 35th place. In 2019, she also competed in the women's marathon 10 kilometres at the Pan American Games held in Lima, Peru and she finished in 6th place.
Anastasiya Shkurdai is a Belarusian swimmer. She represented Belarus at the 2019 World Aquatics Championships in Gwangju, South Korea and she competed in the 4 × 100 metre mixed medley relay event.
Kathryn Eileen Grimes is an American competitive swimmer. At the 2022 World Aquatics Championships, she won silver medals in the 1500 meter freestyle and the 400 meter individual medley. She placed fourth in the 800 meter freestyle at the 2020 Summer Olympics, where she was the youngest member of the US Olympic Team at 15 years of age.
Taeyanna Adams is a Micronesian swimmer, who is the national record holder in multiple events. She competed in the 100 metre breaststroke event at the delayed 2020 Summer Olympics.
