South Dakota
South Dakota Trail Running Calendar 2026-2027
Explore the best trail runs in South Dakota for 2026-2027! Our updated list features 10 exciting trail runs across the region. Find your next trail run in South Dakota below and join the trail community at these great events!
September 2026
Test your endurance at Big Hill in this last runner standing event featuring a 4.167 mile loop through the scenic Black Hills National Forest.
A weekend of march and marathon events on the Mickelson Trail near Deadwood honoring veterans, with distances from 16 to 110 miles, team and individual formats, military divisions, and rest stops every 3 to 5 miles.
A 7.75-mile trail race on Old Baldy Trail near Spearfish, SD, featuring forested climbs, summit views, no aid stations, limited parking, and post-race food.
Experience the prairies and bluffs of Brandon at the Big Sioux Rec Trail Race, featuring 5 mile and 2 mile distances plus a free kids run through scenic South Dakota trails.
Final race of the 2026 Black Hills Runners Club Trail Series at Alkali Trailhead in Sturgis, SD, with 10K and 18K courses through rolling hills and pine singletrack; youth entries are listed as free.
October 2026
Newton Hills Trail Races at Newton Hills State Park feature a scenic 6 mile course with elevation and a family friendly 2 mile route on October 10, 2026.
November 2026
Trail ultras at Newton Hills State Park offering 20K, 30K and 50K on a 10K loop with steep climbs, loop aid station, required state park pass, and a multiyear Betty award challenge.
May 2027
A 50K at Tuthill Park where runners complete a 0.31 mile loop 100 times with about 90 feet of climb per loop. Entry is by essay and all donations go to charities chosen by the winners.
June 2027
Early June trail race weekend on the George S. Mickelson Trail near Deadwood, SD, featuring marathon, half, relay, 5K and kids 1K with limited fields.
Multi-distance ultramarathon on the Centennial Trail in Sturgis, South Dakota, with 100 mile, 50 mile, 50 km and 30 km over rugged single track terrain.