Minnesota · 40 Miler Ski · 40 Miler Fat Bike · 40 Miler Run

St. Croix 40 Winter Ultra

St. Croix 40 Winter Ultra is a 40 Miler Ski, 40 Miler Fat Bike and 40 Miler Run event held in Hinckley, Minnesota. Its next confirmed date is Saturday, January 9, 2027. About 125 runners take part across all distances.

Race day
January 9, 2027
Location
Hinckley, MN
Field size
~125 runners

Race details

Date
Saturday, January 9, 2027
Distances
40 Miler Ski, 40 Miler Fat Bike, 40 Miler Run
Field size
About 125 runners
Course
Rolling groomed snowmobile trails through St. Croix State Park; no official elevation-gain figure is published, though the course includes several notable climbs.
Registration
ultrasignup.com
Official website
stcroixwinterultra.com

About the St. Croix 40 Winter Ultra

The St. Croix 40 Winter Ultra is a self-supported winter survivalist race through St. Croix State Park near Hinckley, Minnesota, where participants travel roughly 40 miles overnight on foot, ski, or fat bike while hauling required survival gear. Runners and skiers start together in the early evening, bikers start later, and everyone must complete a mandatory gear check and use their sleeping bag/bivy and stove kit at set points on course.

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St. Croix 40 Winter Ultra: common questions

When is the St. Croix 40 Winter Ultra?
The next confirmed date is Saturday, January 9, 2027.
Where is the St. Croix 40 Winter Ultra held?
In Hinckley, Minnesota.
What distances does the St. Croix 40 Winter Ultra offer?
40 Miler Ski, 40 Miler Fat Bike and 40 Miler Run.
How many people run the St. Croix 40 Winter Ultra?
About 125 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
How do I register for the St. Croix 40 Winter Ultra?
Registration is handled by the organiser at ultrasignup.com. Entry fees, caps and deadlines are set there.
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