San Juan Softie 100

Durango, United States • 15-16 Aug 2025

The San Juan Softie 100 is a challenging 100-mile ultramarathon held in Durango, Colorado, traversing the scenic San Juan Mountains. The course features an average elevation near 10,000 feet and includes over 20,000 feet of vertical gain, making it a demanding mountain race. Participants experience rugged terrain and breathtaking views throughout the event.

The race offers a 38-hour cutoff time, emphasizing endurance and mountain running skills. Packet pickup occurs in Durango prior to race day, with additional pickup at the starting line. This event is ideal for experienced ultrarunners seeking a high-altitude, mountainous challenge. Visit the organization's website for the most recent information.

Race information

100 mi
100 Miler
Visit the organization's website for the most recent information.
Trail runs nearby

Take on the Kennebec Mountain Run, a 15 mile trail with about 3,100 feet of climbing to a high alpine pass. Limited to 150 runners, the grassroots race raises funds for La Plata County Search and Rescue and showcases Colorado scenery.