Encarta® World English Dictionary [North American Edition] ©2003 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
The USA Equestrian Rule Book defines Eventing:
An Eventing Competition includes one or more tests from the following branches of equitation:
The Federation and the USEA recognize three types of Eventing Competitions:
- Tests (Individual or Combined)
- Horse Trials
- Events (Two–Day or Three–Day)