50K ultramarathons in Missouri, United States in 2026

Out-and-back 10-mile loop on mostly flat gravel paths with gentle rolling hills and tree-lined country scenery, supporting shoes for local students

Trail-based loop format on a scenic 5K circuit, with hourly aid, central base support, and a focus on pacing, recovery, and consistency.

Four-loop 50k ultramarathon on technical singletrack through rolling hills, forested terrain, and marked trails in Greensfelder Park, Wildwood, MO.

Challenging 1.5-mile loop with rocks, roots, and steep climbs through Cape Girardeau forest

Single-track loops through Rock Bridge State Park, technical terrain, multiple creek crossings, Devil’s Ice Box and Gans Creek Wild Area Trails, scenic woodland

Missouri-Kansas route along the changing Missouri River, 25-mile loops with riverbank views, Gladden Bottoms, Loess Hills, paved and gravel trails, low rolling

50K through 10,000+ acres of Ozark terrain, with rocky paths, rolling hills, muddy stretches and stream crossings across Missouri and Arkansas

Repeated 10K loops on the scenic Opossum Hollow Trail: winding single-track, rolling hills, roots, rocks, creek crossings, and 550 ft gain per lap.

Rugged Springfield trails, year-end atmosphere, festive gatherings, special recognition for back-to-back efforts

Challenging double-loop 50k from Krug Park to River Bluff, with steep bluff climbs above the Missouri River and rugged rolling dirt trail.