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.
The Women's 50 metre butterfly competition of the 2014 European Aquatics Championships was held on 18–19 August.
The Men's 100 metre butterfly competition of the 2014 European Aquatics Championships was held on 22–23 August.
The Women's 50 metre breaststroke competition of the 2014 European Aquatics Championships was held on 23–24 August.
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 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 Women's 100 metre butterfly competition of the swimming events at the 2015 World Aquatics Championships was held on 2 August with the heats and the semifinals and 3 August with the final.
Evgeny Mikhailovich Rylov is a Russian competitive swimmer and Olympic champion specializing in backstroke events. He won three gold medals at the 2014 Summer Youth Olympics in Nanjing, and a bronze medal at his senior international debut at the 2015 World Championships in Kazan. He also won a bronze medal at the 2016 Summer Olympics in Rio de Janeiro and a gold medal at the 2017 World Championships in Budapest, both were in the 200 metre backstroke event. In 2018, at the 2018 World Short Course Championships, he won gold medals in the 200 metre backstroke and 50 metre backstroke. At the 2019 World Championships, he won a gold medal in the 200 metre backstroke, silver medal in the 100 metre backstroke, and silver medal in the 50 metre backstroke. He won the gold medal in the 100 metre backstroke and 200 metre backstroke at the 2020 Summer Olympics in Tokyo.
Ryan Held is an American freestyle swimmer who specializes in the sprint events, and is currently sponsored by Arena. He holds the U.S. Open record in the long course 100 meter freestyle and three world records in short course relay events. At the 2016 Summer Olympics he won a gold medal in the 4×100 meter freestyle relay, swimming in both the prelims and the final of the event. In 2021, he won silver medals in the 50 meter freestyle and the 100 meter freestyle at the 2021 World Short Course Championships. At his first FINA World Aquatics Championships, the 2022 World Aquatics Championships, he won a gold medal in the 4×100 meter freestyle relay.
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 200 metre freestyle competition of the 2018 European Aquatics Championships was held on 5 and 6 August 2018.
The Women's 50 metre butterfly competition of the 2018 European Aquatics Championships was held on 8 and 9 August 2018 in Tollcross International Swimming Centre, Glasgow, Scotland.
The men's 50 metre freestyle competition of the 2018 FINA World Swimming Championships was held on 13 and 14 December 2018.
The Men's 100 metre breaststroke competition of the 2022 European Aquatics Championships was held on 11 and 12 August 2022.
The Men's 100 metre butterfly competition of the 2022 European Aquatics Championships was held on 13 and 14 August 2022.
The Men's 50 metre backstroke competition of the 2022 European Aquatics Championships was held on 14 and 15 August 2022.
