DateExpected
Mid September 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
YMCA Camp Manitou-Lin, 1095 N Briggs Rd, Middleville, MI 49333
Middleville, Barry County
Countdown
September
The full 50 miles in one loop, and it's kind on the legs: just 559 m of climbing. Two aid stations keep you fed, so it's more about steady pedalling than suffering.
Key facts
01Minimum age 13
02Two aid stations on the loop
03Course cut-off 15:00, so hold about 16 km/h
Create a free training plan for the The Dirty Mitten Gravel Bike Race 80 km
7-day free trial, no card required
The course
The route
Middleville
Distance80km
Total climb559m
StartElevation
0 kmDrag map to rotate78.9 km
Weather
Mid-September, Middleville
24°CTypical high
12°CTypical low
3°CColdest in 20 years
32%Days with rain
Highs around 24°C and lows around 12°C, but it has dropped to 3°C. Rain on 32% of days.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
OrganiserBoundless Race & Ride Company
Websitethedirtymitten.com
Instagram@thedirtymitten
Running since2022
Training
Training for the The Dirty Mitten Gravel Bike Race 80 km
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a The Dirty Mitten Gravel Bike Race 80 km plan targets
Typical sessions
80 km with 559 m of climbing
Endurance and fatigue resistance over the full distance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long endurance rides building toward the full distance
Threshold and sweet-spot work for sustained power
Group rides for drafting and bunch-riding skills
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your The Dirty Mitten Gravel Bike Race 80 km plan.
7-day free trial, no card required.
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