Definite Entries for the Eventing competition are known since August 15th. Each nation could enter a maximum of 6 athletes and 6 Horses.
- Total National Federations: 28
- National Federations with teams: 16
- National Federations with individuals only: 12
- 97 combinations
Previous record: 80 combinations from 24 countries in Lexington, KY, in 2010.
