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Mark your calendars! Our recognized event will be held on Sept. 14th and unrecognized on Sept. 22. Volunteers needed! Please follow the links below to sign up or email Emily at​


September 13, 2024- Prep Day- Sign up coming soon!

September 14, 2024- USEA Recognized Horse Trials- Sign up coming soon!

September 22, 2024- Unrecognized Starter Horse Trials- Sign up coming soon! 


Questions? Please email


Each year, MHT requires approximately 100 volunteers to host a successful horse trial! 

Jobs available include:

  • Cross Country Jump Judge

  • Dressage Steward

  • Dressage Scribe

  • Show Jumping Steward

  • Show Jumping Crew

MHT also requires extensive help before and after the event with:

  • Routine maintenance of Rosaryville Park

  • Cross Country Course Decorations

  • Dressage Ring Set-up/Take-down

  • Show Jumping Set-up/Take-down

Marlborough Horse Trials is a non-profit organization and your support is greatly appreciated by the MHT Board, horses, and riders of its events and other activities, and all those who enjoy the beauty of Rosaryville State Park year round!


We need your help! Join the best volunteers in eventing right here!


Email to sign up!


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