Otter Creek Mountain Bike Race & Trail Run
Fri, Jun 11, 2027
In 213 days
Mandan, ND
Harmon Lake
Typically 56–78°F · low rain risk
See last 10 years
On this date: rain 2 of the last 10 years
2026
54–70°F
dry
2025
55–70°F
dry
2024
56–79°F
dry
2023
50–73°F
dry
2022
60–81°F
dry
2021
60–83°F
rain
2020
52–80°F
dry
2019
54–71°F
dry
2018
56–72°F
rain
2017
58–80°F
dry
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About this race
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 11-12, 2027
Location: Harmon Lake, Mandan, ND
Events: Trail Run | Mountain Bike Race
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.
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