23–26 Sep 2027 · Mount Solon, United States
Grindstone Trail Running Festival by UTMB
About the event
UTMB World Series trail running festival in national forest west of the Shenandoah Valley, Virginia, in autumn colours. Races of 100 miles (about 21,000 ft of climbing), 100, 50 and 21 km from Natural Chimneys Park.
- When
- 23–26 Sep 2027
- Where
- Mount Solon, United States
Natural Chimneys Park - Category
- Trail and mountain running
- Type
- Series stage
- Series
- UTMB World Series
- Open to
- Athletes and participants
- Held
- Every year
- Website
- grindstone.utmb.world ↗
- Registration
- Registration page ↗
- Source
- Official website · checked on 25/10/2026
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Dates and details are read from the official website of each event and may change: always check with the organiser before you travel.