Date
Location
Races
160K, 99.7K, 50K
Prepare for a test of grit and endurance with Grindstone, the most challenging 100-mile race east of the 100th meridian. Set in the stunning Camp Shenandoah, this race promises an unforgettable adventure filled with significant climbs and the tranquility of single-track trails along ridges. Participants will face the unique difficulty of the course, but the sheer beauty and intensity of the experience make it worthwhile. Embrace the challenge and discover what Grindstone has in store for you as you navigate its formidable path.
160K
Sep 19, 2025 (Fri) - 6:00
Distance
160km
Terrain
Trail
Elevation gain
6,400m
99.7K
Sep 19, 2025 (Fri) - 6:00
Distance
99.7km
Terrain
Trail
Course type
Out & back
Elevation gain
3,352m
Elevation rating
Pretty darn hilly
50K
Sep 19, 2025 (Fri) - 7:00
Distance
50km
Terrain
Trail
Elevation gain
1,530m
Elevation loss
5,085m
Elevation rating
Hilly
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