Mines Of Spain 100 - Dubuque, IA

The Mines of Spain 100 is a premier trail running event held in Dubuque, Iowa, featuring both 100-mile and 100-kilometer races. Set against the stunning backdrop of the Mississippi River valley, participants will navigate a diverse course that includes dirt, grass, and rock trails, with significant elevation changes. The race offers a challenging yet scenic experience, perfect for both novice and experienced ultra-runners.

Registration includes options for deferrals and refunds under specific conditions, and the event is part of the No Coast Trail Series, promoting trail and ultra running in the region. For more details, visit the event's website. Visit the organization's website for the most recent information.