Midwest Endurance Ultrapalooza

Ultrapalooza, hosted by Midwest Endurance Race Co., is a premier ultrarunning event held on the scenic Flint Hills Trail in Osawatomie, Kansas. This flat, fast course features crushed gravel and follows the historic Santa Fe National Historic Trail through tallgrass prairies, riparian woodlands, and alongside the Marais Des Cygnes River. Distances range from 5K and 10K to half marathon, 50K, 50-mile, 100K, and 100-mile races, making it accessible for various endurance levels.

The event offers well-stocked aid stations every 4-5 miles, technical race shirts, unique awards, and a lively atmosphere with music and food trucks at the start/finish area. It is part of the Kansas Super Slam of Ultrarunning Series. Visit the organization's website for the most recent information.