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Become a volunteer

Being a volunteer for the Grindstone Running Festival by UTMB® is an exciting experience which will guarantee an extraordinary adventure. As part of an international event, you will meet people from all over the world and help runners reach the finish line.

Welcome to the 2023 Grindstone Running Festival by UTMB®! Come join us and be part of trail running history. The Grindstone Running Festival by UTMB® cannot happen without our dedicated and passionate volunteers. For the past 7 years, volunteers have helped grow our race into the global destination it has become. You all are truly the essence of this race. Come join our Family!

September 22-24, 2023 Event Address: Natural Chimneys Park, Virginia, USA Contact us at We are excited to have you help us put on 3 amazing events! If you would take a moment to fill out a few short questions to help us better plan for the event, that would be great. Don't worry--no previous experience is needed!

The 2023 edition of Grindstone Trail Running Festival by UTMB is from September 22nd - 24th .