St. Croix 40 Winter Ultra
Hinckley, United States • 10 Jan 2026
Event overview
The St. Croix 40 Winter Ultra is a winter survivalist race held Saturday, January 10, 2026, in Hinckley, Minnesota. Participants travel roughly 40 miles through St. Croix State Park on foot, ski, or fat bike. Competitors carry essential survival gear and must complete two on-course skill tests that require using that gear. The event is presented in the same spirit as the Arrowhead 135 and Tuscobia 160.
Location, distances, and registration
Location: 30065 St Croix Park Rd, Hinckley, MN, in St. Croix State Park.
Distances offered:
- 40 miles - Ski
- 40 miles - Run
- 40 miles - Fat bike
Registration closes Friday, December 26 at 11:59 PM CT. All registrations are final; no refunds will be issued. Visit the organization's website for the most recent information.