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Trail Running calendar near Custer 2026-2027

We have found 4 Trailruns within 80 miles of Custer. See below where and when you can find the races.

Xterra Deadwood Mickelson

Deadwood - 43 mi from Custer

Event Overview The XTERRA Deadwood Mickelson is a trail running event taking place in Deadwood, South Dakota. It is part of the XTERRA Trail Run World Series. The event schedule spans two days, with races starting from the Deadwood Mickelso..

Black Hills 100 - Sturgis, SD

Sturgis - 45 mi from Custer

The Black Hills 100 offers four scenic trail races on the Centennial Trail system near Sturgis, South Dakota. Choose from a 100-mile, 50-mile, 50K, or 30K distance, all finishing at City Park. The event provides bus transport to start lines..

July 2026

Lean Horse Ultra

Custer

Lean Horse Ultra is a multi-distance trail running event on the George S. Mickelson Trail in the Black Hills, held July 31 to August 1, 2026, with 100 mile, relay, 50, 30, and 20 mile options and a CrossFit edition.