Ultramarathon Races in Osawatomie
Find Ultramarathon running races in Osawatomie. Browse upcoming ultramarathon events, registration details, and race information for 2026.
2 races found
Trail
Mile 0 Flint Hills Trail Race
25 Apr 2026
Osawatomie, United States
50km · Ultra
Mile 0 Flint Hills Trail Race is a 50 km ultra trail race held in Osawatomie, KS. The event takes place in April 2026.
Trail
Ultrapalooza
26 Sept 2026
Osawatomie, United States
100km · Ultra
Ultrapalooza is a 100 km ultramarathon trail race held in Osawatomie, KS. The event takes place in September 2026.