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Mines Of Spain 100 - Dubuque, IA

Dubuque, United States • 17-18 Oct 2025

The Mines of Spain 100 is an ultra-marathon event featuring both 100-mile and 100-kilometer races, set in the picturesque bluffs, prairies, and forests of eastern Iowa's Driftless region. The race course, approximately 20 miles long, offers a diverse range of terrains, including steep technical single track and rolling dirt paths, catering to both novice and experienced runners. The event emphasizes a grassroots feel while ensuring meticulous organization, with proceeds supporting local trail maintenance and projects. Participants can expect a rewarding experience amidst the scenic backdrop of the Mississippi River valley. Visit the organization's website for the most recent information.

United States Iowa Dubuque

Race information

Website
100 mi
100 Mile
100 km
100 Kilometer
Visit the organization's website for the most recent information.
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