St. Croix 40 Winter Ultra

The St. Croix 40 Winter Ultra is an adventurous winter race held in St. Croix State Park, Minnesota, where participants can choose to compete on foot, skis, or fat bikes over a challenging 40-mile course.

This unique event not only tests endurance but also survival skills, as competitors must carry essential gear and complete skill tests at designated points along the route. Designed for those seeking to challenge themselves in extreme conditions, the St. Croix 40 serves as a preparatory experience for other notable endurance races.

Registration is final, with no refunds available. Visit the organization's website for the most recent information.