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Colesburg Back 40

August 31, 2025

Colesburg Back 40

Colesburg, IA, USA · Colesburg Back 40

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About this event

This year we have a $3k purse to be divided to podium positions for all 3 distances.

Race options:
30 mile
50 mile
100 mile (Iowa’s Hardest Hundred)

The race takes place in the beautiful Driftless region in NE Iowa. Your breath will be taken away. If not for the lack of training, then from the gorgeous landscape.
Awards ceremony afterwards with super cool and unique podium awards.
Please come and join us for a day full of bike racing, music, food, and all the good things this grassroots race offers.

Volunteer info

If you’re interested in volunteering, there’s always plenty to do.
please email me at mcarithers4@gmail.com

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.

Registration

Opens
June 29, 2025
Deadline
August 28, 2025
On-site registration
Yes

Event organizer

Colesburg Back 40

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=LQQJ4d

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