Grindstone Trail Running Festival

At a glance

Date

2026-09-17

Format

20K · 100 Miles · 100K · 50K

Difficulty

Elite (5/5)

Prestige

National (3/5)

Course & location

Natural Chimneys Park, US

GPS: 38.3586°, -79.0828°

Elevation: 428 m

Typical conditions: ~19.2°C, 109.1mm precip