Skip to Content


Welcome to the Grindstone Running Festival by UTMB®! STEP UP TO THE CHALLENGE

How do I know I am registered?

Online applications are saved to our database immediately. You will automatically receive a confirmation e-mail from our registration partner Active. The age shown is based on your age on 31st December 2023, which will be the age that your age group depends on.

Grindstone Running Festival by UTMB® 2023 Individual Start List (Last updated March 1, 2023)