50 Kilometer and Marathon (~26.7 Mile) loop in the San Juan Mountains of Colorado. The course follows the “Alpine Loop” jeep roads past the ghost mining towns of Howardsville, Eureka, Animas Forks and Gladstone. High point is California Pass at 12,930 feet! The 8 mile out and back race will take you to Howardsville for a taste of the Alpine Loop.

Online Registration for the 2023 event closes on Sunday, July 2nd at Midnight.

Make the most of your weekend

Spend the weekend in Silverton testing your endurance limits! Sign up for the Mountain Duo Challenge: Live the Steep Life by running either the 8 mile, Marathon, or 50K on Satruday, and then Race the 12 Mile Kendall Mountain Run on Sunday. Get those legs moving and get your lungs warmed up on the Alpine Loop, then climb up above the town of Silverton on Sunday as part of the 43rd Annual Kendall Mountain Run. When you reach the top of Kendall you can see some of the ghost towns you ran through on Saturday!