Swimming at the 2009 World Aquatics Championships – Men's 200 metre butterfly
The heats for the men's 200 metre butterfly race at the 2009 World Championships took place in the morning of 28 July, with the final in the evening session of 29 July at the Foro Italico in Rome, Italy.Records
Existing records at the start of the event were:Results
Heats
Semifinals
Final