Trail Running calendar near Garrison 2026-2027

A trail 5K at Fort Stevenson State Park in Garrison on April 12, 2026, with a portion of proceeds supporting youth outdoor education. Registration prices change after March 17 and t-shirts are guaranteed for early registrants.

A two-day festival at Harmon Lake on June 12-13, 2026 featuring evening trail runs (~3.5 and 12-13 miles) and a mountain bike race with 13, 35, and 55-mile options, chip timing, cash prizes, onsite camping, and group registration discounts.