Trail Running Calendar South Dakota 2026-2027

A trail race at the Coon Hollow Trailhead near Rockerville, SD featuring a figure eight course on gravel road, single track, and the historic flume trail. The listed 10k is closer to 12k with about 1200 feet of elevation gain.

TutHell 50K is an essay-entry 50 kilometer race in Sioux Falls where entrants run a 0.31 mile hill loop 100 times; donations are pooled for charity and official chip timing is provided.

A trail-running weekend at the Deadwood Mickelson Trailhead offering marathon, half, relay, 5K and kids races, a USATF certified Boston-qualifying marathon, aid stations and on-course medical support amid Black Hills scenery.

Trail ultramarathons around Sturgis, South Dakota on June 26 and 27, 2026 offer 100 mile, 50 mile, 50K and 30K options. Courses use the Centennial and Deerfield trails, include multiple aid stations, and provide bus transport to remote star..

Trail ultramarathon at Great Bear near Sioux Falls, SD with 20k, 30k and 50k distances run as repeated 10 km loops with about 1200 ft gain per loop. Aid station and drop bag tarp are located at the Bear Den Chalet.

Trail races near Hisega, SD offering a 30K, a 12.37-mile half marathon, and a 10K out and back from Hisega Lodge. Courses include notable elevation gain; registration fees vary and Black Hills Runners Club members receive discounts.

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.

Test your endurance at Big Hill Trails with a 3 or 6 hour mountain bike race or trail run. Support child advocacy in South Dakota while navigating flowy single track loops through the scenic Black Hills National Forest.

605 Trail Fest is a day of trail races at Good Earth State Park in Sioux Falls on August 15, 2026, offering 8 mile, 4.5 mile, and a one mile youth run for ages 2 to 10, with packet pickup planned August 8.

The Blood Run in Lennox, SD is a timed loop event on a 1.5 mile circuit around an organic vegetable farm, offering multiple durations from 48 hours to 3 hours, one aid station with flush toilets, and camping for runners and crews.

A backyard ultra at Big Hill Trailhead near Spearfish with hourly 4.167 mile loops, 375 ft per loop elevation, no cell service at the trailhead, free camping, and milestone awards up to 100 miles.

Trail races at Big Sioux Recreation Area include a 5 Miler, 2 Miler and a free kids race over paved and dirt trails, with chip timing and park entry required; courses may change if heavy rainfall affects the floodplain.

Newton Hills Trail Races offer 2-mile and 6-mile trail courses at Newton Hills. Held since 2002, the event is part of the Sioux Falls Area Running Club Trail Series and counts toward the series point championship.

A trail ultrarace at Newton Hills State Park offering 20K, 30K and 50K on a 10k loop with about 850 ft elevation per loop. Aid and water are available each loop and time cutoffs apply for every distance.