Embark on a captivating trail running adventure with the Iowa Trail Run Series: Mines of Spain, set for Saturday, May 2, 2026, in the historic city of Dubuque, Iowa. Offering distances of 13.1M, 10K, and 5K, this event takes runners deep into the Mines of Spain State Recreation Area, a National Historic Landmark renowned for its challenging yet awe-inspiring terrain. The course winds through the unique "driftless region" of eastern Iowa, a landscape of towering limestone bluffs, dense hardwood forests featuring 200-300 year old oak trees, and expansive native tallgrass prairies, all framed by breathtaking views of the Mighty Mississippi River. Expect a diverse mix underfoot, from steep and technical singletrack to wide, rolling dirt paths, with sections that include rocky stretches, rolling hills, and even some demanding climbs and stairs, promising a truly engaging experience for all skill levels.

The Mines of Spain course is celebrated for its natural beauty and varied elevation, providing both physical challenge and stunning scenery that sets it apart from typical Midwestern routes. Runners have described the course as "awesome but very tough," praising its clear markings and dedicated course support. Typical race day conditions in early May feature comfortable highs around 65F and lows near 43F, with a relatively low 17% chance of precipitation, creating ideal running weather. Aid stations along the route are designed with sustainability in mind, offering water and Tailwind Nutrition, and encouraging a cup-free approach.

Beyond the race itself, participants will appreciate the lively atmosphere at the E.B. Lyons Interpretive Center, serving as the event hub. Each finisher receives a unique custom bib and a rotating race item, with ample post-race food and refreshments to celebrate your accomplishment. Proceeds from the race contribute to the Friends of the Mines of Spain, supporting vital trail maintenance and conservation efforts, making your miles count for a greater cause. Join a community of like-minded trail enthusiasts for an unforgettable day of adventure and camaraderie in one of Iowa's most spectacular natural settings.