Mines of Spain 100

  • Date Fri 17th October 2025
  • Location Dubuque, Iowa

Event summary

Get ready for an unforgettable experience at the Mines of Spain 100, taking place on Friday, October 17, 2025, in the picturesque setting of Dubuque, Iowa. This exhilarating Midwest trail race invites participants to explore the stunning bluffs, prairies, and forests of the driftless region, all nestled within the breathtaking Mississippi River Valley.

Runners will tackle a challenging ~20-mile course that features a remarkable variety of terrain, including steep technical single track and wide rolling dirt paths, ensuring both newcomers and seasoned veterans find their perfect challenge. The Mines of Spain 100 is not just a race; it’s a celebration of community and nature, with a commitment to supporting local trail organizations and maintaining the beautiful environment that surrounds us. Join us for a day filled with adventure, camaraderie, and the spirit of the outdoors!

Organiser's Description

Welcome to the Mines of Spain 100! This is a true Midwest trail race set in the beautiful bluffs, prairies and forests of the driftless region of eastern Iowa amongst the scenic setting of the Mississippi river valley! The race is held on a ~20 mile course comprised of a wide variety of terrain that will both challenge and inspire runners with its eclectic mixture of steep technical single track, wide rolling dirt and prairie double track with a multitude of other fun and scenic sections mixed in! This is a course designed to be equally suitable for first timers or veterans alike.

Our mission is to provide an ultra-marathon event that is grassroots in feel yet meticulously organized with every effort being made to provide the most rewarding experience for the runners, their crews, race volunteers and every single person involved. Our continued year-round goal is to support the area trail organizations and groups that oversee the Mines of Spain in whatever capacity we can including a substantial financial contribution from the race proceeds going directly to the park to aid in funding for future trail maintenance and projects.

Thank you and we hope to see you at the Mines in October!

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Location

1700 S. Grandview Ave., Dubuque, 52001, IA, United States

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