The swimming portion of the 2011 FINA World Championships was held July 24–31 at the Shanghai Oriental Sports Center in Shanghai, China. Swimming is one of five aquatic disciplines at the championships.
The men's 200 metre freestyle competition of the swimming events at the 2011 World Aquatics Championships took place July 25 and 26. The heats and semifinals took place July 25 and the final was held July 26.
The women's 100 metre backstroke competition of the swimming events at the 2011 World Aquatics Championships were held on July 25 with the preliminary round and the semifinals and July 26 with the final.
The men's 100 metre backstroke competition of the swimming events at the 2011 World Aquatics Championships was held on July 25 with the preliminary round and the semifinals and July 26 with the final.
The women's 50 metre backstroke competition of the swimming events at the 2011 World Aquatics Championships took place on July 27 with the heats and the semifinals and July 28 with the final.
The men's 200 metre backstroke competition of the swimming events at the 2011 World Aquatics Championships was held on July 28 with the heats and the semifinals and July 29 with the final.
The women's 200 metre backstroke competition of the swimming events at the 2011 World Aquatics Championships was held on July 29 with the heats and the semifinals and July 30 with the final.
The men's 50 metre backstroke competition of the swimming events at the 2011 World Aquatics Championships was held on July 30 with the heats and the semifinals and July 31 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 women's 200 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 backstroke 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 individual medley 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 women's 100 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 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 freestyle 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 men's 50 metre breaststroke 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 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.
