Ultramarathons in South Dakota, United States in 2026

Scenic mountain loops with approximately 1,200 feet of elevation gain per six-mile circuit, start and finish at Bear Den Chalet

Forgiving running surface and gentle elevation changes in a small town South Dakota setting, with 50 and 100-mile ultramarathon distances.

Repeated 1.5-mile farm loop on flat dirt and pasture, surrounded by miniature animals, with variable trail conditions and on-site camping options.

4.1666-mile trail loop with 385 feet of climbing per lap in the Black Hills, building a last-athlete-standing ultra one circuit at a time.

Scenic march and marathon on the Mickelson Trail through Black Hills National Forest, following a Rochford to Deadwood route with commemorative focus

Rolling hills and wooded trails through Newton Hills State Park, combining lush landscapes with segments of horse paths and an 8-hour 50km cutoff