Boulder County, Colorado, United States
15.2 miles (24.5 km) · 1,004 ft elevation gain · Loop · trail · Route
| Distance | 15.2 mi (24.5 km) |
| Elevation gain | 1,004 ft (306 m) |
| Average gain | 66 ft per mile (13 m per km) |
| Longest climb | 2.9 mi, 399 ft of gain |
| Steepest climb grade | 11.9% |
| Runnable | 97% of the route |
| Climbs / descents | 1 climbs, 1 descents |
| Profile shape | Up, then down |
| Difficulty score | 5.3 of 100 |
| Surface | trail |
| Route shape | Loop |
| Type | Route |
| Grade band | Share of route |
|---|---|
| Flat | 27% |
| Mild uphill | 35% |
| Moderate uphill | 2% |
| Steep uphill | 1% |
| Mild downhill | 31% |
| Moderate downhill | 3% |
Dirty Bismark (CO) has 1,004 ft (306 m) of elevation gain over 15.2 miles (24.5 km). That averages 66 ft of gain per mile.
The difficulty score for Dirty Bismark (CO) is 5.3 of 100. That is harder than 45.1% of routes at a similar distance. About 97% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.
The longest climb on Dirty Bismark (CO) runs 2.9 miles (4.7 km) and gains 399 ft (122 m). The steepest climb grade on the route is 11.9%.
Preview this trail in 3D flyover, view the elevation profile, and explore the segment breakdown.
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