2 ultra events in Sioux Falls, South Dakota

From big races to Saturday morning group runs—find ultra events and connect with the local endurance sports community.

• TutHell 50K [tuthell50k.com] [Register at ultrasignup.com]
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  Sat, May 02, 2026 at 6:00 AM

  50k Ultra

  3500 S Cliff Ave, Sioux Falls, South Dakota, 57103, United States
  OpenStreetMap Google Maps
• Crazy Bear Ultra [facebook.com] [Register at ultrasignup.com]
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  Sat, Jul 18, 2026

  20k 30k 50k Ultra

  great bear ski valley, Sioux Falls, South Dakota, United States
  OpenStreetMap Google Maps

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