Swimming at the 2011 World Aquatics Championships – Men's 200 metre butterfly : ウィキペディア英語版
Swimming at the 2011 World Aquatics Championships – Men's 200 metre butterfly
The men's 200 metre butterfly 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. ==Records== Prior to the competition, the existing world and championship records were as follows. No new world or competition records were set during this competition.