St. Croix 40 Winter Ultra

Hinckley, United States • 10 Jan 2026

The St. Croix 40 Winter Ultra is an adventurous winter survival race held in St. Croix State Park, Minnesota.

Participants can choose to compete on foot, skis, or fat bikes, covering a challenging 40-mile course while carrying essential survival gear. The event not only tests endurance but also includes skill assessments at two points along the route, preparing competitors for future challenges like the Arrowhead 135 and Tuscobia 160. This unique race promises a thrilling experience for those seeking to push their limits in a cold, wintry environment.

All registrations are final, with no refunds available. Visit the organization's website for the most recent information.

Race information

40 mi
40 Miler Run
40 mi
40 Miler Ski
40 Miler Fat Bike
Visit the organization's website for the most recent information.
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