Events/Dirty Donut Race

Dirty Donut Race 68 km

GravelLaps
Date
Sat, 19 Jun 2027
Venue
Martin High School, 1556 Chalmers Street, Martin, MI 49070
Martin, Allegan County
Countdown
June

The middle distance: 68 km of gravel with a bit more rolling terrain, and donut stops to break it up. A solid day, not a brutal one.

Key facts
01Award cut-offs last year: 12:00 for Sprint, 13:00 for Donut
02Rankings split by sex, age group, team size, bike type and class
Create a free training plan for the Dirty Donut Race 68 km
7-day free trial, no card required
Create my plan
The course

One lap, on repeat

Martin · one lap
Distance68km
Total climb427m
Start · finishOne lap · elevation
0 kmDrag map to rotate6.4 km
Weather

Mid-June, Martin

26°CTypical high
15°CTypical low
6°CColdest in 20 years
44%Days with rain

Highs around 26°C and lows around 15°C, but it has dropped to 6°C. Rain on 44% of days.

NASA POWER data, 2006-2025, the week either side of race day
Results

Course verified. Results not yet available.

Organiser
Organiser131 Cycling Series LLC
Running since2019
Training

Training for the Dirty Donut Race 68 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.

GarminWahooPolarHammerheadIntervals.icu
What a Dirty Donut Race 68 km plan targets
Typical sessions
68 km with 427 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 Dirty Donut Race 68 km plan.
7-day free trial, no card required.
Start my plan