Midwest Endurance Ultrapalooza

Osawatomie, United States • 27-28 Sep 2025

Ultrapalooza, from Midwest Endurance Race Co., is on the Flint Hills Trail in Osawatomie, Kansas. Distances include 5K, 10K, half marathon, marathon, 50K, 50 mile, 100K, and 100 mile. The course is flat crushed gravel, mostly out-and-back along the trail, with sections of single-track and old rail-bed, passing prairie landscapes and the Marais Des Cygnes River. The event is described as a festival-like ultra party, with well-stocked aid stations every ~4 miles, music, shirts, and unique awards at finish. Pacers allowed for long distances; drop bags; late registration; part of the Kansas Super Slam. Visit the organization's website for the most recent information.

Race information

100 mi
100 Miler
100 km
100k
50 mi
50 Miler
50 km
50k
42 km
Marathon
21 km
1/2 Marathon
10 km
10k
5 km
Visit the organization's website for the most recent information.
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