The men's 200-metre butterfly event at the 2001 World Aquatics Championships took place between 23 July – 24 July. Both the heats and semifinals were held on 23 July[1][2] with the heats being held in the morning session and the semifinals being held in the evening session. The final was held on 24 July.[3]
In the final, American swimmer Michael Phelps broke his own world record with a time of 1:54.58, bettering his previous record of 1:54.92. For Phelps, this was also his first world title since finishing 5th in the same event at the 2000 Summer Olympics.[4]
Records
Prior to the competition, the existing world and championship records were as follows:
^"FINA World Swimming Fukoka". Archived from the original on 9 November 2001. Retrieved 21 August 2016.{{cite web}}: CS1 maint: bot: original URL status unknown (link)