SD, USA
4.1 miles (6.7 km) · 399 ft elevation gain · Loop · trail · Route
D Loop covers 4.1 miles across SD, USA. Runners face 399 feet of climbing with 429 feet of loss. The course is 94% runnable, with the remainder requiring hiking on steep or technical sections. Trail comprises the majority of the course. Terrain difficulty is rated as mostly flat. Difficulty is rated 5.1 out of 10, placing it in the 39.8th percentile. Popular among trail runners and hikers seeking SD adventures.
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