Trail Running calendar near Sioux Falls 2025-2026

Run Glacier Hills Ultra at Newton Hills State Park near Canton South Dakota on November 1 2025, with 20K, 30K and 50K loop options. Expect multiple challenging laps over rooty, rolling singletrack with aid stations for a scenic fall trail t..

Tackle TutHell 50K in Sioux Falls on May 2, 2026, a fierce 100 lap climb and descent around Tut Hill that tests endurance and will. Entry is by essay and all pledge donations go to the nonprofits chosen by the male and female winners.

Duff Dog Backyard Ultra at Blue Mounds State Park near Luverne tests runners who repeat a 4 mile 880 foot loop every hour until only one remains. Shaded support, shelter, and nearby camping make for a welcoming crew base.