The Otter Creek Mountain Bike Race & Trail Run, part of the 701 Race Series, takes place June 12–13 at Harmon Lake and delivers a weekend packed with off-road adventure. Featuring multiple mountain bike race distances and a trail run, the event challenges riders across varied terrain and technical singletrack. **The MTB races offer a $4,200 total cash payout, equal for men’s and women’s fields**, reinforcing the event’s commitment to competitive racing and athlete equity. With its scenic lakeside setting and demanding courses, Otter Creek stands out as a premier off-road racing experience in the region.

The 701 Race Series is a celebration of cycling in all its forms, bringing together an exciting mix of road, gravel, and mountain bike races that showcase the region’s terrain, talent, and tight-knit cycling community. Each event offers its own challenge and atmosphere — from high-speed, spectator-friendly racing to scenic routes that test endurance and grit. Whether you’re a seasoned racer, a first-time participant, or a fan of the sport, the 701 Race Series delivers unforgettable experiences that highlight why Bismarck-Mandan continues to grow as a premier cycling destination.

Don’t miss your chance to be part of the action — register today to secure your spot on the start line. With limited fields and strong participation each year, signing up early ensures you won’t miss out on the excitement, competition, and community that make this series a must-do for riders across the region.

Other races in the series:

[**Capitol City Crit**](https://runsignup.com/Race/ND/Bismarck/CapitolCityCrit)

* Date: May 9, 2026
* Location: North Dakota State Capitol Grounds, Bismarck
* Description: A fast-paced criterium featuring a closed-course, short-lap circuit that emphasizes speed, strategy, and technical cornering in a highly spectator-friendly setting.

[**Lyons-Heart Gravel Classic**](https://runsignup.com/Race/ND/Mandan/LyonsHeartGravelClassic)

* Date: July 11, 2026
* Location: Dykshoorn Park, Downtown Mandan
* Description: A challenging gravel race featuring scenic routes and a substantial prize purse — ideal for gravel enthusiasts.

[**AlKemist Gravel Fest**](https://runsignup.com/Race/ND/Mandan/TheAlKEMistGravelFest)

* Date: October 3, 2026
* Location: Graner Park / Sugarloaf Bottoms
* Description: A fall gravel event with multiple course lengths — notable for its terrain and scenic views.

Otter Creek Mountain Bike Race and Trail Run

All Ages Multi Sport Race