Swimming at the 2011 World Aquatics Championships – Men's 400 metre individual medley : ウィキペディア英語版
Swimming at the 2011 World Aquatics Championships – Men's 400 metre individual medley
The men's 400 metre individual medley competition of the swimming events was held on July 31 with the semifinals and 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.