Per Dave’s site, pay close attention the start date
The 2026 Open will start at 0800 MDT on May 2nd at the Monture Creek TH, and end at the Pishkun Canal road bridge over the Sun River.
-This is not a race.
-You must be entirely self-supported and self-contained. Take everything you need, and leave nothing behind but footprints. Any pre-planned assistance of any kind is forbidden.
-Any form of human-powered locomotion is allowed within the identified course area. No linear travel on the surface of paved roads.
-You are responsible for you. Come prepared for challenging conditions which can easily, with improper luck or preparation, turn life-threatening. Any and all contingency and emergency plans must be arranged in advance by each individual.

