September 6, 2026
Colesburg Back 40
Colesburg, IA, USA · Colesburg Back 40
Routes
20 mi
20 mi · $50 entry
40 mi
40 mi · $70 entry
Registration
- Opens
- February 17, 2026
- Deadline
- September 4, 2026
Lodging
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Event details are provided by the organizer. Gravel Calendar LLC is not responsible for their accuracy. Please participate at your own risk.
Event organizer
Colesburg Back 40 is the oldest ongoing gravel race in the Midwest. 30 years this year!!!! The race that made gravel racing cool.
https://www.facebook.com/Colesburggravelpocalypse?mibextid=LQQJ4dKeep looking
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