Otter Creek Mountain Bike Race & Trail Run
Otter Creek Trail Festival offers off-road adventure and community celebration at North Dakota's Harmon Lake.
Race Date
Jun 12, 2026
Location
Mandan, ND
Quick facts
- Date
- Friday, June 12, 2026
- Location
- Mandan, North Dakota
- Distance
- Half marathon (13.1 mi) + 54 Miles, 35 Miles, 3.5 Miles, 13 Miles
- Course
- Loop Course
- Terrain
- Trail
- USATF certified
- Not listed
Highlights
Good For
Atmosphere
Course
The Experience
The Otter Creek Trail Festival, held annually at Harmon Lake near Mandan, North Dakota, transforms a scenic outdoor venue into a two-day celebration of off-road pursuits. This event caters to a wide range of participants, from those new to trail running to seasoned mountain bikers aiming for top positions.
Beyond the competitive races, the festival fosters a strong sense of community. Runners and bikers are invited to stay for camping, food, and family-friendly activities, making Harmon Lake a vibrant summer trail destination. The event is hosted by 701 Cycle & Sport, emphasizing a local, community-driven atmosphere for all attendees.
Race-provided description
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.
Logistics
Race Day
Friday, June 12, 2026
Start Time
11:00 AM
Giveaway
T-Shirt
Start Location
Harmon Lake, Mandan, ND, 58554
Course Info
Course Type
Loop Course
Terrain
trail
Scenery
Lake River
Surface
Dirt Trail
Difficulty
Rolling Hills
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
Course Map
Quality Score
first year
no finisher counts yet
small race — neutral
needs a few years of results
3 timing sources · 8 photos
no finisher data yet
no winner time yet
typical high 78°F
Race Day Weather
5-year historical avgStart (Low)
57°
Afternoon (High)
78°
Warm — hydration strategy is key, start conservatively
0.1"
Precipitation
14 mph
Wind
61%
Humidity
Race Photos
Frequently asked
When is the Otter Creek Mountain Bike Race & Trail Run?
The Otter Creek Mountain Bike Race & Trail Run is held on Friday, June 12, 2026, starting at 11:00 AM.
Where does the Otter Creek Mountain Bike Race & Trail Run take place?
It takes place in Mandan, North Dakota.
What distances does the Otter Creek Mountain Bike Race & Trail Run offer?
The half marathon (13.1 miles), plus 54 Miles, 35 Miles, 3.5 Miles, 13 Miles.
Is the Otter Creek Mountain Bike Race & Trail Run course flat and good for a PR?
The Otter Creek Mountain Bike Race & Trail Run is a rolling hills, loop course course.
HalfRuns editorial — independent, no paid placement.
Explore More Journeys
Can't make it to Mandan? Discover other experiences that match your running style.
Search All Races
