St. Croix 40 Winter Ultra
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About the race
St. Croix 40 Winter Ultra is a winter survivalist race held in Hinckley, Minnesota, offering a 40-mile course through St. Croix State Park.
Participants can tackle the distance on foot, skis, or fat bikes, carrying all essential survival gear for a frigid Minnesota night. A standout feature is two in-race skill tests that require competitors to demonstrate the use of their survival equipment, adding challenge beyond distance. The event is framed alongside other hard-fought cold-weather ultras like Arrowhead 135 and Tuscobia 160, promising a rugged, endurance-focused atmosphere for winter athletes. Visit the organization's website for the most recent information.