- Who
- North American Flyball Association
- What
- 810 total number
- Where
- United States (Indianapolis)
- When
The largest flyball tournament was the 2010 CanAm Classic, which involved 810 dogs and was organised by the North American Flyball Association (USA) in Indianapolis, Indiana, USA, on 9 October 2010.
Dogs competed in relay teams of 4 dogs. The winning team was Ruff Enuff A Team.