Otter Creek Mountain Bike Race & Trail Run

Ride. Run. Celebrate the trails — North Dakota style.   Welcome to the Otter Creek Trail Festival, a two-day celebration of off-road adventure at Harmon Lake Recreation Area near Mandan, North Dakota.

Compete in the Otter Creek Trail Run or the Otter Creek Mountain Bike Race — then stick around for camping, food, and family fun at one of North Dakota’s most scenic outdoor venues.   🌟 Festival Overview 🌟 Date: June 12-13, 2026 Location: Harmon Lake, Mandan, ND Events: Trail Run | Mountain Bike Race Prizes: $4,200 total mtb race cash payout — equal for men and women Host: 701 Cycle & Sport The Otter Creek Trail Festival is a weekend designed for everyone — from first-time trail runners to expert mountain bikers chasing podium spots. Come for the race, stay for the community, and experience why Harmon Lake is North Dakota’s favorite summer trail destination.