Ultramarathons in Missouri, United States in 2026

Shaded crushed gravel loop along the Big Piney River, 6-mile circuit with a notable hill, festive summer setting near Old Route 66

Shaded woodlands loop on mixed surfaces in Route 66 State Park; flat, fast course with summer heat, night running, and main aid station support

Scenic loop trail in Shreveport with a repeated circuit format, approachable terrain, and a mental-and-physical test of patience and pacing.

Paved 4-mile loop at Mill Creek Park, scenic starts and finishes by J.C. Nichols Memorial Fountain, well-stocked aid station each lap

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

Rugged relay course on the Ozark Trail with rolling hardwood forests, bluff overlooks, technical mountain biking, and paddling on spring-fed creeks

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

Rural chip-and-seal highway loop with rolling hills, open to traffic, 250 feet elevation gain per lap, progressively shortening time limits

Challenging 44-mile route at Osage National Golf Course with solo and team relay options, nighttime running under the stars

53K course through Greensfelder County Park, featuring singletrack, technical terrain, 5,200 feet of elevation gain, creek crossings, and rolling hills

Alternating dirt and paved 4.167-mile loops with timed laps, creek crossings, fields, cedar groves, rural countryside, and changing fall scenery

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

Scenic Rothwell Park trail loops with a central pit area, festival-like atmosphere, and a community-focused endurance format.

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

USATF-certified 1.17-mile paved loop winding through Minnie Ha Ha Park with mostly flat terrain, wooded areas, and Meramec River views amid fall foliage

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