Black Hills 100 - Sturgis, SD

Black Hills 100 - June 26-27, 2026

The Black Hills 100 is a trail ultramarathon event in Sturgis, South Dakota, held on the Centennial Trail (Trail #89) and Deerfield Trail (Trail #40). The event offers these distances:

• 100 Mile
• 50 Mile
• 50 Kilometer
• 30 Kilometer

Registration opens September 1, 2025 and closes May 31, 2026. Entry fees are listed per distance: 100M $350, 50M $170, 50K $150, 30K $130.

Course and logistics

The courses are mostly single-track dirt and rocky trail with some old logging roads and a 13 mile stretch of ATV trail. The 100 Mile course is an out-and-back that begins and ends in Sturgis and uses Centennial Trail and Deerfield Trail. The 100M course is reported to include about 16,779 ft of elevation gain and loss; the other distances include multiple thousands of feet of gain and loss. Most of the route is off pavement; the first and last mile of the 100M follow a paved bike path.

Aid and support details vary by distance. The 100M has eight aid stations, seven visited twice, and allows drop bags at three aid stations (Elk Creek, Dalton Lake, Silver City). The 50M, 50K and 30K are point-to-point courses with a set number of aid stations and drop bag options. Buses transport runners to point-to-point starts. All events finish at Sturgis City Park. The races run under special use permits with the U.S. Forest Service and Bureau of Land Management. Final cutoff for all distances is Saturday evening. Visit the organization's website for the most recent information.