Road ultramarathons in United States (Midwest)

Nighttime endurance laps on an illuminated dirt horse track at Harrison County Fairgrounds with continuous chip timing and flexible distance

Team relay journey covering 50, 100, or 200 miles on fully paved White Pine Trail, featuring woodlands, countryside, lakeside views, and historic rail route

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

Scenic 5K campus loop at Butler University with repeated laps, historic Hinkle Fieldhouse, Tent Village, showers, and on-site refreshments

Half-mile pine forest loop in Lowell Park, continuous 6, 12, or 24-hour format with self-supported setup and solo or team options

33.5-mile loop through seven western suburbs, largely on bike paths, with a steady runnable surface and point-to-point feel

24-hour relay on a scenic loop with a challenging hill at Veterans Park, focusing on endurance, teamwork, and a lively atmosphere

Looped park course on grass, gravel, and pavement with clockwise laps from the Laury Barn

Timed 3- or 6-hour run on a 1-mile loop around Watershed Nature Center, evening hours requiring a light source, limited to 140 participants

Demanding 1.1-mile loop with 140 feet of elevation gain per lap, steep climbs on Hogsback Lane, a mix of paved and singletrack in Rocky River Reservation

Looping 63k through Stadium Park, Monument Park, and the McKinley Monument grounds, with green space and local landmark scenery

Nine hours and eleven minutes on a one-mile loop honoring first responders, team spirit, and community support

Picturesque one-mile loop at Veterans Park, highlighted by the challenging Gorilla Hill and a fast downhill, with team tents along the course

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

Certified 1.05-mile loop with flat, gentle terrain and minimal elevation at Miller Ecological Park; choice of 100-mile or 24-hour ultrarunning format

Endurance challenge spanning daylight hours, designed for participants to push physical limits from sunrise to sunset

Point-to-point and out-and-back ultramarathon across Michigan’s lower peninsula, with varied single-track, gravel, limestone, and seasonal road terrain

Looped one-mile paved course in Indiana with an 8-hour time limit for runners and walkers

24-hour backyard ultra with a 4.167-mile loop through Upper Peninsula woods, featuring gravel, rooty singletrack, rolling ski trails, and 289 feet of elevation