Grindstone Running Festival by UTMB 50km
- When
- Fri, Sep 19, 2025, 4:00 AM
- Where
- Mount Solon, United States
- Distances
- Half Marathon · Ultra Marathon
- Terrain
- Hilly
- Price
- 151.38–404 USD
- Elevation gain
- 6400 m
- Typical weather
- Mild
- Organizer
- Ultra-Trail du Mont-Blanc (UTMB)
About
On September 19, 2025, the Grindstone 100-Mile Race by UTMB challenges ultra-runners to conquer 99.4 miles of rugged terrain in Virginia’s Shenandoah Valley. With a staggering 20,997 feet (6,400 meters) of elevation gain, this event tests endurance and determination like no other.