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Registration

UTMB’s Priority Registration is now open

2026 Priority Registration is now open! Priority Registration is for anyone who holds a valid UTMB Index. If you do not hold a UTMB Index, you can register when General Registration opens on Thursday, October 30.

REGISTRATION OVERVIEW

2026 Grindstone Trail Running Festival by UTMB Presale will take place September 18-28

Race Date: September 18-20, 2026 | Event Location: Natural Chimneys Park, VA

Distances: 100M, 100K, 50K, 21K | Runner Check-In: September 17-18, 2026

2026 Registration Fees

Info 100M 100K 50K 21K
Date Sept. 18 Sept. 19 Sept. 19 Sept. 19
Price $338.53 $302.75 $200.92 $114.68
Proc. Fees $30.47 $27.25 $18.08 $10.32
All-In price $369 $330 $219 $125

*Limited spots available at this price. Prices may increase at anytime.