Ultra Running Hub Trail 100k
Grindstone 100 Km
99 days away
100km Distance
3,350m Elevation
10 Grit Score
Elite/Extreme Level
Vertical Intensity 34 D+/km
Moderate undulations. Requires consistent effort across varying grades.
The Aid Station
Course-specific beta from the community
This is a rolling course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.
Course Intelligence
OPENFREE MAP (LIBRE)Course Notes
From the beautiful start/finish location at Camp Shenandoah to the monster climbs and the solitude of single track ridge running, you just can’t beat Grindstone…but you can try! Time limit: 38 hours