Otter Creek Trail Run

JUN

12-13

2026

Otter Creek Trail Festival brings mountain bike races and trail runs to Harmon Lake in Mandan, North Dakota on June 12 and 13, 2026. Expect cash prizes, chip timing, camping and post race food and swag.

12-13 Jun 2026

Mandan, North Dakota

Registration

13 miles 4 miles

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Otter Creek Trail Festival

The Otter Creek Trail Festival takes place June 12-13, 2026 at Harmon Lake Recreation Area in Mandan, North Dakota. The weekend includes a mountain bike race and trail run and is hosted by 701 Cycle & Sport. The mountain bike program carries a total cash payout of $4,200, with prize structures listed for the 55-mile race. Participant entries for the mountain bike race are capped at 200 racers. Camping is available at Harmon Lake Campground on a first-come, first-serve basis. The event has a no-refund policy; race directors may alter or cancel events for participant safety in unsafe weather or uncontrollable conditions.

Events and features

Race services listed for participants include chip timing, on-course aid stations, a complimentary meal and drink ticket, and a finisher’s patch. Mountain bike entrants may receive a free race t-shirt if registered by May 29. The trail run lists free event swag and an on-course aid station. The mountain bike program includes age-group awards and podium recognition across distances; the 55-mile race shows cash prizes for top finishing places. Visit the organization's website for the most recent information.