Trail Running calendar near Spearfish 2026-2027

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..

Late June trail ultramarathon around Sturgis on the Centennial and Deerfield Trails, offering 30K, 50K, 50M and an out and back 100M with significant elevation gain.

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.

Event Overview The Black Hills Super 6 is a fundraising event for the non-profit organization Northern Hills Area CASA (Court Appointed Special Advocates). All proceeds benefit victims of child maltreatment in eight counties of western Sout..