gravel
✓ Verified Active Listing
Dirty Donut Powered by Consumers Credit Union
🧬 Course DNA & Technical Intel
📏 Primary Distance
100 mi
🛞 Recommended Tire
38mm – 42mm Tubeless
🚴 Discipline
gravel
🏁 Course Distance Options
SOLD OUT 4 Mile - FREE Family Fun Ride
16 Mile - MEN (Donut Eating Divisions) (6.15mph+ avg to qualify for awards)
16 Mile - WOMEN (Donut Eating Divisions) (6.15mph+ avg to qualify for awards)
16 Mile - Clydesdale (+220 lbs) (Donut Eating Divisions) - (6.15mph+ avg to qualify for awards)
16 Mile - Athena (+165 lbs) (Donut Eating Divisions) - (6.15mph+ avg to qualify for awards)
16 Mile - MEN Fat Tire (Donut Eating Divisions) - (6.15mph+ avg to qualify for awards)
16 Mile - WOMEN Fat Tire (Donut Eating Divisions) - (6.15mph+ avg to qualify for awards)
16 Mile - MEN Single Speed (Donut Eating Divisions) - (6.15mph+ avg to qualify for awards)
16 Mile - WOMEN Single Speed (Donut Eating Divisions) - (6.15mph+ avg to qualify for awards)
16 Mile - COED Tandem (Donut Eating Divisions) - (6.15mph+ avg to qualify for awards)
16 Mile - MEN (Sprint Divisions) (9.84mph+ avg to qualify for awards)
16 Mile - WOMEN (Sprint Divisions) (9.84mph+ avg to qualify for awards)
16 Mile - Clydesdale (+220 lbs) (Sprint Divisions) - (9.84mph+ avg to qualify for awards)
16 Mile - Athena (+165 lbs) (Sprint Divisions) - (9.84mph+ avg to qualify for awards)
16 Mile - MEN Fat Tire (Sprint Divisions) - (9.84mph+ avg to qualify for awards)
16 Mile - WOMEN Fat Tire (Sprint Divisions) - (9.84mph+ avg to qualify for awards)
16 Mile - MEN Single Speed (Sprint Divisions) - (9.84mph+ avg to qualify for awards)
16 Mile - WOMEN Single Speed (Sprint Divisions) - (9.84mph+ avg to qualify for awards)
16 Mile - COED Tandem (Sprint Divisions) - (9.84mph+ avg to qualify for awards)
26 Mile - MEN (Donut Eating Divisions) (8.24mph+ avg to qualify for awards)
26 Mile - WOMEN (Donut Eating Divisions) (8.24mph+ avg to qualify for awards)
26 Mile - Clydesdale (+220 lbs) (Donut Eating Divisions) - (8.24mph+ avg to qualify for awards)
26 Mile - Athena (+165 lbs) (Donut Eating Divisions) - (8.24mph+ avg to qualify for awards)
26 Mile - MEN Fat Tire (Donut Eating Divisions) (8.24mph+ avg to qualify for awards)
26 Mile - WOMEN Fat Tire (Donut Eating Divisions) (8.24mph+ avg to qualify for awards)
26 Mile - MEN Single Speed (Donut Eating Divisions) (8.24mph+ avg to qualify for awards)
26 Mile - WOMEN Single Speed (Donut Eating Divisions) (8.24mph+ avg to qualify for awards)
26 Mile - COED Tandem (Donut Eating Divisions) (8.24mph+ avg to qualify for awards)
26 Mile - MEN (Sprint Divisions) (12.04mph+ avg to qualify for awards)
26 Mile - WOMEN (Sprint Divisions) (12.04mph+ avg to qualify for awards)
26 Mile - COED Fat Tire (Sprint Divisions) (12.04mph+ avg to qualify for awards)
42 Mile - MEN (Donut Eating Divisions) (10.53mph+ avg to qualify for awards)
42 Mile - WOMEN (Donut Eating Divisions) (10.53mph+ avg to qualify for awards)
42 Mile - Clydesdale (+220 lbs) (Donut Eating Divisions) - (10.53mph+ avg to qualify for awards)
42 Mile - Athena (+165 lbs) (Donut Eating Divisions) - (10.53mph+ avg to qualify for awards)
42 Mile - MEN Fat Tire (Donut Eating Divisions) (10.53mph+ avg to qualify for awards)
42 Mile - WOMEN Fat Tire (Donut Eating Divisions) (10.53mph+ avg to qualify for awards)
42 Mile - MEN Single Speed (Donut Eating Divisions) (10.53mph+ avg to qualify for awards)
42 Mile - WOMEN Single Speed (Donut Eating Divisions) (10.53mph+ avg to qualify for awards)
42 Mile - COED Tandem (Donut Eating Divisions) (10.53mph+ avg to qualify for awards)
42 Mile - MEN (Sprint Divisions) (14.03mph+ avg to qualify for awards)
42 Mile - WOMEN (Sprint Divisions) (14.03mph+ avg to qualify for awards)
42 Mile - COED Fat Tire (Sprint Divisions) (14.03mph+ avg to qualify for awards)
62 Mile - MEN (Donut Eating Divisions) (12.28mph+ avg to qualify for awards)
62 Mile - WOMEN (Donut Eating Divisions) (12.28mph+ avg to qualify for awards)
62 Mile - MEN (Sprint Divisions) (15.35mph+ avg to qualify for awards)
62 Mile - WOMEN (Sprint Divisions) (15.35mph+ avg to qualify for awards)
100 Mile - MEN (Sprint Divisions) (7.5hrs / 13.9mph + avg to qualify for awards)
100 Mile - WOMEN (Sprint Divisions) (7.5hrs / 13.9mph + avg to qualify for awards)
About Dirty Donut Powered by Consumers Credit Union
Official registered gravel event in Martin, MI. Direct registration on BikeReg.
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⚙️ Recommended Pro Hardware for Dirty Donut Powered by Consumers Credit Union
Top-rated power meters, radar, and GPS computers curated by Threshold Cycling.
Dual-Sided SPD Accuracy
View Product Specs ↗
Favero Assioma Pro MX-2 Power Meter Pedals
$759.00
±1% real-world power accuracy, seamless Bluetooth/ANT+ connectivity, and full rock strike durability designed specifically for gravel epics.
Backcountry Safety
View Product Specs ↗
Garmin Varia RTL515 Radar Tail Light
$199.99
Detects approaching vehicles up to 153 yards away with visual and audible cockpit alerts on your GPS computer. Vital for remote rural gravel roads.
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