The women's 50 metre butterfly event in swimming at the 2013 World Aquatics Championships took place on 2–3 August at the Palau Sant Jordi in Barcelona, Spain.
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.
The men's 50 metre freestyle competition of the swimming events at the 2015 World Aquatics Championships was held on 7 August with the heats and the semifinals and 8 August with the final.
The men's 200 metre freestyle competition of the swimming events at the 2015 World Aquatics Championships was held on 4 August with the heats and the semifinals on the 3 August.
The Men's 50 metre backstroke competition of the swimming events at the 2015 World Aquatics Championships was held on 8 August with the heats and the semifinals and 9 August with the final.
The Men's 200 metre individual medley competition of the swimming events at the 2015 World Aquatics Championships was held on 5 August with the heats and the semifinals and 6 August with the final.
The Women's 200 metre breaststroke competition of the swimming events at the 2015 World Aquatics Championships was held on 6 August with the heats and the semifinals and 7 August with the final.
The Men's 100 metre backstroke competition of the 2016 European Aquatics Championships was held on 16 and 17 May 2016.
The Women's 100 metre freestyle competition at the 2017 World Championships was held on 27 and 28 July 2017.
The Men's 50 metre freestyle competition of the 2018 European Aquatics Championships was held on 8 and 9 August 2018.
The Men's 100 metre breaststroke competition of the 2018 European Aquatics Championships was held on 3 and 4 August 2018. It was won by Adam Peaty in a world record time of 57.10.
The Men's 50 metre butterfly competition of the 2018 European Aquatics Championships was held on 6 and 7 August 2018.
The Women's 50 metre freestyle competition of the 2018 European Aquatics Championships was held on 3 and 4 August 2018.
The Women's 50 metre butterfly competition of the 2018 European Aquatics Championships was held on 8 and 9 August 2018.
The women's 200 metre individual medley event at the 2020 Summer Olympics was held from 26 to 28 July 2021 at the Tokyo Aquatics Centre. It will be the event's twelfth appearance, having been first held in 1968 and 1972 and then at every edition since 1984.
The men's 50 metre freestyle competition of the 2018 FINA World Swimming Championships was held on 13 and 14 December 2018.
The Women's 50 metre freestyle competition at the 2019 World Championships was held on 27 and 28 July 2019.
The Men's 50 metre backstroke competition of the 2022 European Aquatics Championships was held on 14 and 15 August 2022.
The Men's 50 metre breaststroke competition of the 2022 FINA World Swimming Championships was held on 17 and 18 December 2022.
The Women's 100 metre butterfly competition of the 2022 FINA World Swimming Championships was held on 17 and 18 December 2022.
