South Dakota Ultramarathons

4 upcoming ultras across South Dakota, updated nightly. Want radius search and maps? Open these in the Race Finder.

November 2026

Sat 11/7Glacier Hills Ultra 50KCanton, SD · 50K · 30K · 20K · register ↗

May 2027

Sat 5/1TutHell 50KSioux Falls, SD · 50K · register ↗

June 2027

Fri 6/25Black Hills 100Sturgis, SD · 100 Mile · register ↗

July 2027

Sat 7/31Lean Horse Ultra MarathonCuster, SD · 100 Mile · 50 Mile · 30 Miles · 20 Miles · Marathon · register ↗

Planning a race

The adventure listrim to rim, the big rounds, and routes worth planning a year around
Getting inhow entry works for the races that sell out or ballot

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