Follows Alpine Loop mining road counter-clockwise linking historic mining ghost towns, Howardsville, Eureka, Animas Forks & Gladstone. High point is 12,930 ft atop California Pass. Low point is Silverton at 9,318ft. Total vertical gain is 3,800 for the marathon and 4,400 for the 50k. The 50K runners will complete an out and back to Niagara Gulch before joining the Marathon course.
50 KM View course top times
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