Swimming at the 2011 World Aquatics Championships – Men's 100 metre breaststroke
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. Records. Prior to the competition, the existing world and championship records were as follows. Results. Heats. 83 swimmers participated in 11 heats, qualified swimmers are listed: Semifinals. The semifinals were held 19:06. Final. The final was held 19:27. Swimming at the 2011 World Aquatics Championships – Men's 100 metre breaststroke