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MammothMarch Minnesota

Crosby Township, United States • 17 Oct 2026

MammothMarch Minnesota

The MammothMarch Minnesota event takes place at St. Croix State Park. This is the largest state park in Minnesota. It is flanked by the St. Croix River, which is a National Scenic Riverway. The park is a National Historic Landmark that covers 34,000 acres.

The event is a 20-mile hike with a time limit of 8 hours. Participants receive a finisher medal. A past event in the area sold out. The organizer invites nature enthusiasts and wildlife lovers.

Pricing includes all mandatory charges, items, and fees. Visit the organization's website for the most recent information.

United States Minnesota Crosby Township

Race information

Registration
32 km
Mammothmarch Minnesota
Visit the organization's website for the most recent information.
Trail runs nearby

Fire Tower Trail Races

Hinckley

Trail running at St. Croix State Park with 100K, 50K, 35K and 11K options through forests, rivers and prairie. Longer courses include one or two climbs of a historic fire tower and the event offers camping and food.

St. Croix 40 Winter Ultra

Hinckley

A roughly 40 mile winter survivalist race in St. Croix State Park where participants travel by foot, ski, or fat bike carrying required survival gear and complete two on-course skill tests.