Boulder County, Colorado, United States
15.2 miles (24.5 km) · 973 ft elevation gain · Loop · trail · Route
The Dirty Bismark (CO) route traverses 15.2 miles through Boulder County, Colorado, United States. Elevation gain totals 973 feet, with 963 feet of descent. The course averages 69 feet of vertical gain per mile. About 97% of the distance is runnable terrain. Terrain is predominantly trail. Terrain difficulty is rated as hilly. Difficulty is rated 5.8 out of 10, placing it in the 44.28th percentile. The route draws trail runners and hikers interested in technical terrain in Colorado.
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