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Trail Running Calendar South Dakota 2025-2026

We have found 4 Trailruns in South Dakota. Check below where and when you can find the races.

Tuthell 50K

Sioux Falls

Take on TutHell 50K in Sioux Falls, a brutal and addictive test of grit with 100 short loops up and down Tut Hill. The marked course features a stocked aid station, live timing, and a supportive community atmosphere raising funds for charit..

June 2026

Xterra Deadwood Mickelson

Deadwood

Discover XTERRA Deadwood Mickelson on June 7, 2026, a trail running celebration through the Black Hills with marathon, half, relay, 5K and kids races. Run past abandoned mining towns, over railroad trestles and beside creeks before finishin..

Black Hills 100 - Sturgis, SD

Sturgis

Run the rugged single track of the Black Hills in Sturgis on June 26 and 27 with distances from 30K to an epic 100 mile out and back. Expect rocky trails, sweeping forest scenery and a true mountain running challenge for all levels.

July 2026

Lean Horse Ultra

Custer

Run the scenic Lean Horse Ultra through the Black Hills from Custer on the gentle rails to trails George S. Mickelson Trail. Distances span 20 miles to a sanctioned 100 mile race with relay and team options on limestone.