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Schedule

*Schedule subject to change.

Pre-Race Events

TIME ACTIVITY LOCATION
August 23 Grindstone Trail Work Day, More Details, RSVP Here Natural Chimneys Campground
August 24 Training Run (RSVP Above as Part of the Trail Work Weekend) Natural Chimneys Campground

Thursday September 18, 2025

TIME ACTIVITY LOCATION
3PM - 6PM Expo: Bib Pick-Up, Official Grindstone Trail Running Festival by UTMB® Merchandise Store Natural Chimneys Park
5PM Runner Briefing Natural Chimneys Park

Friday, September 19, 2025

TIME ACTIVITY LOCATION
10AM - 6PM Expo: Bib Pick-Up, Official Grindstone Trail Running Festival by UTMB® Merchandise Store Natural Chimneys Park
*All 100M Bibs Must Be Picked Up 10 Minutes Before The Start
12PM Runner Briefing Natural Chimneys Park
4PM Runner Briefing Natural Chimneys Park
6PM 100 Mile Race Start Natural Chimneys Park

Saturday, September 20, 2025

TIME ACTIVITY LOCATION
5AM - 7:50AM Race Morning Bib Pick-Up Natural Chimneys Park
*All Bibs Must Be Picked Up 10 Minutes Before The Start Of Each Distance
6AM 100K Race Start Natural Chimneys Park
7AM 50K Race Start Natural Chimneys Park
8AM 21K (Half Marathon) Race Start Natural Chimneys Park
9AM - 7PM Expo: Official Grindstone Trail Running Festival by UTMB® Merchandise Store Natural Chimneys Park
1PM 21K Awards Ceremony, Overall Awards and Age Group Awards Natural Chimneys Park
5PM 50K Awards Ceremony, Overall Awards and Age Group Awards Natural Chimneys Park
7PM 100K Award Ceremony, Overall Awards Natural Chimneys Park

Sunday, September 21, 2025

TIME ACTIVITY LOCATION
9AM 100K Awards Ceremony Age Group Awards and 100M Awards Ceremony Overall Awards and Age Group Awards Natural Chimneys Park