24Sep
Grindstone Trail Running Festival by UTMB - 100M
Running
- Distance
- 167.4K
- Start time
- 18:00
- Entry fee
- N/A
Grindstone Trail Running Festival by UTMB - 100M
Natural Chimneys Park,
Maryland,
United States
325 days left
grindstone.utmb.world
Grindstone Trail Running Festival by UTMB - 100M
About the event
With approximately 21,000’ of vertical gain that includes monster climbs and the solitude of single-track ridge running, the Grindstone 100-mile race is considered by many to be the most incredible ‘hundo’ east of the 100th meridian.
Races offered
Weather history
3-year monthly averages for September in Natural Chimneys Park.
Temperature13.7° / 25.3°
Feels like13.4° / 24.5°
Sunshine hours9h 15m
Rainfall3.4 mm
Snowfall—
Wind6.8 km/h (Light breeze)
Humidity72.4%
Max UV indexModerate (5.0)
Sweat lossModerate
Course conditionsFirm and slightly soft
Sunrise06:58
Sunset19:22
Hotels & places to stay
Things to do nearby
Tours and activities near Natural Chimneys Park, powered by Viator.
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