Largest flyball tournament

According to Official Guinness Records,

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.

For a complete list of 2010 records, please visit 2010 Guinness Records in United States.

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