The men's 800 metre freestyle event at the 2001 World Aquatics Championships took place 24 July. The heats took place 23 July, and the final was held on 24 July.
Records
Prior to the competition, the existing world and championship records were as follows.
The following record was established during the competition:
Results
Heats
Final
Key: WR = World record
References
Results from swimrankings.net Retrieved 2012-08-18
{{DEFAULTSORT:Swimming at the 2001 World Aquatics Championships - Men's 800 Metre Freestyle
World Aquatics Championships
The FINA World Championships or World Aquatics Championships are the World Championships for aquatics sports: swimming, diving, high diving, open water swimming, artistic swimming, and water polo. They are run by FINA, and all swimming events ...
Swimming at the 2001 World Aquatics Championships