Hard ultramarathons in United States (Midwest)

100-mile road race featuring self-support requirements, minimal aid, and extreme endurance demands across a remote course with limited replenishment points

Scenic Illinois River trails with 100 mile, 100k, and 50k options; roughly 23,500 feet of elevation gain and rustic woodland terrain at Camp Wokanda

Point-to-point ultra distances of 56 and 107 miles through rugged Badlands terrain, technical trail sections, rolling hills, and sweeping North Dakota vistas

203-mile Ohio road ultra from Lake Erie's Walnut Beach to Wellsville, featuring mountain foothills, rolling hills, Amish country, and industrial towns

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

Looped course through Shawnee National Forest featuring 80% single-track dirt, creek crossings, rocky terrain, waterfalls, and 3200 ft elevation per loop.

Rugged Ice Age Trail route through Chequamegon-Nicolet National Forest, featuring glacial landscapes, tranquil forests, and open prairies

Rural Iowa backroads and the scenic Bridges of Madison County, thousands of feet of elevation gain, challenging hills, and muddy roads in wet conditions

Multi-loop ultramarathon offering official finishes and awards at 50K, 100K, 150K, or 200K; progressive distances with tiered medallion and buckle rewards

Challenging 25-mile loop on single track, railroad beds, and towpath through woodlands, historic sites, and river views with up to 10,000 feet of elevation gain

Trail course weaving through Michigan forests, century-old white pines, camp areas, Potawatomi, BBT, and Waterloo Pinckney trails amid rolling landscapes.

Technical, rolling 25-mile loops through Clinton State Park with challenging terrain and scenic views

Scenic singletrack loops around William H. Harsha Lake, pine forests, waterfall, open fields, and creek crossings on mountain bike and hiking trails

Demanding 100-mile and 50-mile point-to-point courses on the Superior Hiking Trail, with rugged, rooty, rocky singletrack above Lake Superior.

Rocky and root-filled Marquette County trails with over 12,000 feet of climbing, unpredictable weather, minimal support, and nighttime finishes

200 miles from Muskegon to Traverse City, passing historic ships, lighthouses, rolling hills with autumn foliage, apple orchards, and Grand Traverse Bay

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

200-mile route on the Cowboy Trail, crushed limestone path from Norfolk to Valentine, over 200 bridges, flat terrain, historic railroad sites

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