Trail Running Calendar South Dakota 2026-2027

TutHell 50K in Sioux Falls has runners complete a 0.31 mile loop on Tut Hill 100 times, with chip timing, live tracking and a charity donation model. Entry is by essay selection and selected entrants receive an invitation to register.

Trail races on the Mickelson Trail between Rochford and Deadwood, South Dakota on June 6 to 7, 2026, including marathon, half marathon, five person relay, 5K and kids 1K; fields are limited and fees vary by date.

A multi-distance trail event near Sturgis, SD featuring a roughly 108-mile 100M plus 50M, 50K and 30K courses on the Centennial and Deerfield trails, with aid stations, drop bag options and bused starts. Held under USFS and BLM permits.

Experience a 10k loop course with 1200 feet of elevation gain per lap at Great Bear Ski Valley. Choose from 20k, 30k, or 50k distances at this Sioux Falls trail event.

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.

A last runner standing backyard ultra at Big Hill near Spearfish, SD, with 4.167 mile laps and about 375 feet of elevation change per loop. Trails are wide and the event is hosted by a local non profit running club.

Experience the Big Sioux Rec Trail Race featuring 2 mile and 5 mile distances plus a kids race. This event is part of the Sioux Falls Area Running Club Trail Series with points awarded across multiple age divisions.

On Oct 10, 2026 the Newton Hills Trail Race in Canton, SD offers 2 miles and 6 miles on single-track and multi-purpose trails with chip timing, a park pass requirement, and series points across age divisions.

A looped trail event at Newton Hills State Park near Canton, SD, offering 20K, 30K and 50K distances on a 10 km loop with substantial climbs and regular aid. Time cutoffs are enforced and part of the course shares horse trails.