South Dakota Ultramarathons
6 upcoming ultras across South Dakota, updated nightly. Want radius search and maps? Open these in the Race Finder.
When to race: ultras in South Dakota
South Dakota has 6 upcoming ultras over the next 12 months. September is the busiest month for them, with 3. Most are around Lennox, Spearfish, Deadwood. The next one is The Blood Run on September 5 in Lennox.
- Sep 20263 races
- Nov 20261 race
- May 20271 race
- Jun 20271 race
September 2026
- Sat 9/5The Blood RunLennox, SD · 24 Hour · 12 Hour · register ↗
- Sat 9/12Black Hills Backyard UltraSpearfish, SD · Timed · register ↗
- Wed 9/16Black Hills Veterans March and MarathonDeadwood, SD · 110 Miles · Marathon · 16 Miles · from $50 · register ↗
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 ↗
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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