Course
Races start and finish at Natural Chimneys Park in the Shenandoah Valley. The 100M is a 167.4 km loop with 6,400 m of climbing on singletrack, gravel and forest roads over Wolf Ridge, Grindstone Mountain and Elliott's Knob; the 100K, 50K and 21K use Narrow Back Mountain ridgelines. The 100M starts Friday 6:00pm; shorter races run Saturday morning.
Key dates
- ★Race daySeptember 2027 · date to be announced
About
A 100-mile mountain ultramarathon through Virginia's Allegheny Mountains, starting and finishing at Camp Shenandoah. The course follows the Great North Mountain ridgeline and Wild Oak Trail, including a steep climb to Elliott Knob. Shorter 50K, 100K and 21K distances are also offered.
Save Grindstone Running Festival by UTMB to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Shenandoah River 5K, 10K & Half
Along the banks of the Shenandoah River
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Woodstock Warrior Race & Relay
Follows the North Fork's seven horseshoe bends
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.