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, at St. Croix State Park near Hinckley, Minnesota (30065 St Croix Park Rd). The course covers roughly 40 miles and runs overnight through park terrain in winter conditions. Participants must carry all essential survival gear for the duration of the event.

The race format includes a requirement to demonstrate survival skills at two points on the course. The event description notes it is in the same spirit as other long winter trail events such as Arrowhead 135 and Tuscobia 160. All registrations are final and no refunds will be issued.

Race disciplines and practical details

  • 40 Miler Ski
  • 40 Miler Run
  • 40 Miler Fat Bike

Registration closes on Fri, Dec 26 at 11:59 PM CT. The race emphasizes self-sufficiency during a cold Minnesota night and includes on-course skill tests related to survival gear use. 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.
Trail runs nearby

Experience scenic trails through forests, rivers, and prairie at St. Croix State Park near Hinckley on October 3, 2026. Choose from 11K to 100K, including a mid run climb of a historic fire tower, with food and camping at race HQ.