50K ultramarathons in Kansas, United States in 2026

Hilly, shaded singletrack through hardwood forest with significant elevation changes, occasional lake views, and multiple well-stocked aid stations

Rugged, fully runnable single-track on the EPIC-rated Switchgrass Trail, with scenic views of Wilson State Park and Wilson Lake

Flat, fast river trail with 75% shade, frequent manned aid stations every 5 miles, and additional support for high heat conditions.

Smooth single-track trails through Wyandotte County Lake Park, manageable rocks and roots, brief dam crossing, suitable for competitive athletes

Challenging out-and-back on the Elk River Hiking Trail, with single-track paths, limestone bluffs, rock formations, and scenic Kansas views

Flat out-and-back route on Kansas’ Flint Hills Trail with crushed gravel, old railroad beds, single track, riverside views, and prairie wildlife

10-mile loop of mostly horse trails with technical singletrack, hills, and mixed terrain, centralized aid at Start/Finish near Hillsdale Park Lake Office

Flat Prairie Spirit Trail rail-trail through small towns, with long crushed limestone stretches, short asphalt sections, and easy crew access.

Rugged trails near Clinton Lake with singletrack and connector segments, challenging ascents on Sanders Mound, ridgeline views, and wooded terrain.