Black Hills 100 - Sturgis, SD

Black Hills 100 : Sturgis, South Dakota

The Black Hills 100 event weekend offers multiple trail distances centered on Sturgis City Park and the Centennial Trail (Trail #89). Distances contested are:

• 100 Mile (reported closer to 108 miles) out-and-back on the Centennial and Deerfield trails.
• 50 Mile follows the back half of the 100 mile course from Silver City to Sturgis.
• 50K starts near the Dalton Lake trailhead and follows the Centennial to Sturgis.
• 30K starts on Runkle Road above Elk Creek and joins the Centennial to finish in Sturgis.

The 100 mile course begins and ends at City Park in Sturgis. The first and last mile are on a paved bike path; most of the route is singletrack with short sections of old logging roads and a 13 mile ATV trail. The Deerfield Trail (Trail #40) leads down to the halfway point at Silver City. The 100M has eight aid stations (seven visited twice) and allows drop bags at Elk Creek (miles 19/87), Dalton Lake (32/74) and Silver City (53).

The 50M uses seven aid stations with drop bags at Dalton Lake (mile 21) and Elk Creek (34). The 50K has four aid stations and an optional drop bag at Elk Creek (mile 14). The 30K includes three aid stations. Buses transport runners from Sturgis to some start locations.

Events operate under special use permits with the US Forest Service and Bureau of Land Management; participants are asked to avoid littering.

Elevation data was generated from online mapping and GPS tracks and should be considered approximate. Reported gain/loss figures: 100M gain 16,779 ft loss 16,779 ft; 50M gain 6,700 ft loss 8,390 ft; 50K gain 3,891 ft loss 5,100 ft; 30K gain 2,363 ft loss 4,641 ft.

Registration is open from September 1, 2025 through May 31, 2026. Fees listed by distance: 100M $350, 50M $170, 50K $150, 30K $130. Visit the organization's website for the most recent information.