1 mountain biking event in Mandan, North Dakota

From big races to Saturday morning group runs—find mountain biking events and connect with the local endurance sports community.

• Otter Creek Mountain Bike Race & Trail Run [runsignup.com]
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  Fri, Jun 12, 2026 at 6:00 PM

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  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....

  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.

  3.5 Miles 13 Miles 35 Miles 54 Miles Mountain Biking Run Trail

  Mandan, North Dakota, 58554, United States
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