Grindstone Trail Running Festival by UTMB

Grindstone Trail Running Festival by UTMB
Date Sep 2025 (TBD)
Distance Half-marathon, Ultra, 100k, 100mi
Course Type Trail

Race Information

Feed your sense of adventure and join the Grindstone Running Festival by UTMB. This one-of-a-kind event takes you through acres of national forest in the Shenandoah Valley on an iconic running adventure complete with stunning fall foliage, mountain views, and demanding terrain. With a 100M, 100K, and 21K, there's a new challenge for every runner. Join this feat to push your endurance, get gritty, earn your stones, and qualify for the iconic UTMB® World Series Finals.

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Related Events

Did you know that this race is part of a series of runs? If you like this race you may want to run one of the following UTMB World Series (USA) events.

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Pace Calculator

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