St. Croix 40 Winter Ultra

JAN

10

2026

Test your cold weather skills at the St. Croix 40 Winter Ultra in St. Croix State Park, Hinckley MN, a rugged 40 mile winter challenge for runners, skiers, and fat bikers. Carry essential survival gear and complete on course skill tests to finish.

Sat 10 Jan 2026

Hinckley, Minnesota

Website Registration

40 miles

Always double-check with the organizer's website! This page may contain affiliate links.

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.

40 mi

40 Miler Ski

40 mi

40 Miler Run

40 Miler Fat Bike