Trail Running Calendar South Dakota 2026-2027

The TutHell 50K challenges runners to complete 100 laps of a short, grassy hill loop in Sioux Falls. Entry is by essay submission, with all pledges supporting charitable donations. It's a community-focused event with a 12-hour cutoff and fu..

XTERRA Deadwood Mickelson is a multi-race trail running event in Deadwood, South Dakota on June 6 and 7, 2026, featuring marathon, half marathon, 5K, kids 1K and a marathon relay along the Mickelson Trail.

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.

Run scenic trails across Oak Grove, Camden, Newton Hills and more in the Sioux Falls Area Running Club Trail Series, with distances for every level. Earn age division points toward prizes and enjoy a family friendly festival with vendors.

Trail event near Canton, SD with 20K, 30K, and 50K on a 10 km loop (about 850 ft gain per loop). Full aid at loop start and regular water stations; the course shares sections with horse trails and enforces time cutoffs.