Sep 19, 2026
Distance — 21K
Type — Running
08:00
These values represent the 3-year monthly averages for September in Natural Chimneys Park.
Read what other athletes have to say about their experience at the Grindstone Trail Running Festival by UTMB - 21K.
Be the first to share your experience with the community!
Explore other exciting events happening in this same region.
Hand-picked events we think you’ll love.
Oct 16, 2026
Join us for the 25th annual US FreedomWalk Festival 16-18 October 2026! The US FreedomWalk Festival® is a weekend, non-…
Read more
Nov 07, 2026
Fill the Shoes is proud to present the 14th annual "Fill the Shoes" 5K in memory of Jack. T. Farrar Jr., a long time Ha…
Read more
Sep 05, 2026
We welcome 300 individual entries You may also enter as a sponsor (Bronze $250, Silver $500, Gold $1000, which includes…
Read more
