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.
The men's 100 metre breaststroke competition of the swimming events at the 2011 World Aquatics Championships took place July 24 and 25. The heats and semifinals took place July 24 and the final was held July 25.
The men's 50 metre breaststroke competition of the swimming events at the 2011 World Aquatics Championships was held on July 26 with the heats and the semifinals and July 27 with the final.
The men's 100 metre backstroke competition of the swimming events at the 2012 European Aquatics Championships took place May 21 and 22. The heats and semifinals took place on May 21, the final on May 22.
The men's 100 metre breaststroke competition of the swimming events at the 2012 European Aquatics Championships took place May 21 and 22. The heats and semifinals took place on May 21, the final on May 22.
The men's 50 metre butterfly competition of the swimming events at the 2012 European Aquatics Championships took place May 21 and 22. The heats and semifinals took place on May 21, the final on May 22.
The women's 100 metre breaststroke competition of the swimming events at the 2012 European Aquatics Championships took place May 22 and 23. The heats and semifinals took place on May 22, the final on May 23.
The men's 200 metre breaststroke competition of the swimming events at the 2012 European Aquatics Championships took place May 23 and 24. The heats and semifinals took place on May 23, the final on May 24.
The men's 50 metre backstroke competition of the swimming events at the 2012 European Aquatics Championships took place May 23 and 24. The heats and semifinals took place on May 23, the final on May 24.
The women's 200 metre breaststroke competition of the swimming events at the 2012 European Aquatics Championships took place May 24 and 25. The heats and semifinals took place on May 24, the final on May 25.
The men's 200 metre backstroke competition of the swimming events at the 2012 European Aquatics Championships took place May 25 and 26. The heats and semifinals took place on May 25, the final on May 26.
The men's 100 metre butterfly competition of the swimming events at the 2012 European Aquatics Championships took place May 25 and 26. The heats and semifinals took place on May 25, the final on May 26.
The women's 50 metre backstroke competition of the swimming events at the 2012 European Aquatics Championships took place May 25 and 26. The heats and semifinals took place on May 25, the final on May 26.
The women's 50 metre breaststroke competition of the swimming events at the 2012 European Aquatics Championships took place May 26 and 27. The heats and semifinals took place on May 26, the final on May 27.
The men's 50 metre freestyle competition of the swimming events at the 2012 European Aquatics Championships took place May 26 and 27. The heats and semifinals took place on May 26, the final on May 27.
The women's 50 metre freestyle competition of the swimming events at the 2012 European Aquatics Championships took place May 26 and 27. The heats and semifinals took place on May 26, the final on May 27.
Ilya Syarheyevich Shymanovich is a Belarusian swimmer. He is the world record holder in the short course 100 metre breaststroke and a former world record holder in the short course 50 metre breaststroke. At the 2018 World Championships he won two silver medals, one each in the 100 metre breaststroke and the 50 metre breaststroke. He won two gold medals, one in the 50 metre breaststroke and one in the 200 metre breaststroke, and a silver medal, in the 100 metre breaststroke, at the 2021 European Short Course Championships. At the 2021 World Short Course Championships he won the gold medal in the 100 metre breaststroke.
Nicolò Martinenghi is an Italian swimmer. He is a two-time world record holder in the 4×50 metre medley relay, swimming breaststroke on both relays. He is the Italian record holder in the 50 metre breaststroke and 100 metre breaststroke.
Sergey Geybel is a competitive Russian swimmer specializing in breaststroke events. He is a former world record holder in the 4×100-metre medley relay and the 4×50-metre medley relay. He won a gold medal at the 2008 World Short Course Championships as part of the world-record-setting finals relay team in the 4×100-metre medley relay. He also won two silver medals and one bronze medal over the course of his career in the 4×50-metre medley relay at the European Short Course Championships.
Kirill Strelnikov is a Russian competitive swimmer. He won a gold medal in the 4×50 metre medley relay at the 2021 World Short Course Championships and the 4×100 metre medley relay at the 2013 World University Games, swimming the breaststroke leg of both relays in the final. At the 2021 European Short Course Championships he won a bronze medal in the 4×50 metre mixed medley relay, swimming the breaststroke leg of the relay in the preliminaries.
