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UTMB World Series ultramarathons in United States (East)

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1 races

Grindstone Trail Running Festival by UTMB

Sep 18-19, 2026 (Fri-Sat)

Augusta County, Virginia, United States

Challenging mountain courses through national forests west of the Shenandoah Valley, featuring fall foliage and panoramic vistas on demanding terrain.

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100mi

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UTMB World Series ultramarathons in United States (East)

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Grindstone Trail Running Festival by UTMB