Hanging Flume 50K
Naturita, United States • 4 Oct 2025
Event
The Hanging Flume 50k is an ultrarunning trail race held on Saturday, October 4, 2025, in Uravan, Colorado. The race starts and finishes at the historic Uravan Ballpark. The advertised race distance is 50K. Registration for the event closes on Friday, October 3 at 11:59 PM MT. Registered racers will receive email updates.
Course and logistics
The route is a large loop that runs primarily along abandoned mining two-track and desert single-track. The course passes through canyons, along areas of slick-rock, and reaches high viewpoints near the confluence of the San Miguel and Dolores rivers. The event explores the desert landscape of Southwestern Colorado and includes terrain typical of that region. A CalTopo map of the course and a race planning spreadsheet are provided for planning. The event notes that it aims to support local economic development by promoting outdoor recreation and trails development. Volunteer sign-up is available, and the organizers use social media for event updates. Visit the organization's website for the most recent information.