Midwest Endurance Ultrapalooza

Ultrapalooza, organized by Midwest Endurance Race Co., is a premier ultrarunning event held in Osawatomie, Kansas, along the scenic Flint Hills Trail. This flat, fast course features crushed gravel and spans distances from 5K up to 100 miles, including 100K, 50 miles, 50K, marathon, half marathon, and 10K options. The trail traverses the unique tallgrass prairie ecosystem of the Flint Hills and follows historic routes alongside the Marais Des Cygnes River, offering runners beautiful natural and historic views.

The event boasts well-stocked aid stations every 4-5 miles, technical race shirts, distance-specific awards, and a lively start/finish area with music and food trucks, creating a festive and supportive atmosphere for all participants. Visit the organization's website for the most recent information.