Ultramarathon Races in Sioux Falls
Find Ultramarathon running races in Sioux Falls. Browse upcoming ultramarathon events, registration details, and race information for 2026.
2 races found
Trail
TutHell 50K
2 May 2026
Sioux Falls, United States
50km · Ultra
TutHell 50K is a 50 km ultra trail race held in Sioux Falls, SD. The event takes place in May 2026.
Trail
Crazy Bear Ultra
18 Jul 2026
Sioux Falls, United States
50km · Ultra
Crazy Bear Ultra is a 50 km ultra trail race held in Sioux Falls, SD. The event takes place in July 2026.