18th Grindstone 100 Mile
18th Grindstone 100 Mile is a 161 km ultramarathon in Swoope, VA, United States, taking place on Sep 18 – Sep 20, 2026.
- Date
- Sep 18 – Sep 20, 2026
- Distance
- 161 km
- Elevation gain
- 6277 m
- Location
- Swoope, VA, United States
- Format
- Fixed distance