Fall ultramarathons in Michigan, United States

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

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

Rocky, muddy trails with tricky river crossings, unmaintained sections, and big hills in an attractive natural setting

Loop course through old-growth forests, rocky Lake Superior shoreline, scenic ridgelines, and cascading waterfalls in Michigan’s Porcupine Mountains

50 miles through Porcupine Mountains backcountry: steep climbs, technical descents, muddy rooted trails, ridgelines, waterfalls and Lake Superior shoreline.

Mixed forest roads and single-track trails through Manistee National Forest, featuring sandy stretches, rocky segments, and the challenging Powerlines section.

West Michigan 100-mile route with over 29,000 feet of elevation gain and loss

Trail routes through Heritage Park’s autumn scenery, 13.1 or 31 miles, new course design, mostly unpaved paths, wide-ranging cutoff times

3.1-mile rolling hill loop with single-track, wide trails, grassy sections, bridge crossings, 24-hour format, heated indoor bathrooms, on-site camping

Two-loop 50k on rolling single track through Deep Lake Campground’s forest trails and autumn scenery

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

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

Looped singletrack through wooded trails at Pigeon Creek, centralized at the ski lodge, vibrant fall forests, 6- and 12-hour distance challenges

Timed races on 2-mile dirt and trail loops with loop count challenges, plus a Last One Standing endurance test on a flat gravel course

Symbolic 64-mile relay from Michigan’s Diag to the Sparty Statue, celebrating teamwork, accessibility, and the Michigan–Michigan State tradition

Scenic 4.167-mile loop in Sleepy Hollow State Park, with prairie, hardwood forest and pine, modest climbing, and classic last-runner-standing format

30-hour event on a 5-mile scenic trail loop around Caledonia and local schools, with night running options and on-course support

Challenging 50k course weaving through the scenic woods around Houghton, fully supported along the route

22-hour looped course supporting veteran-focused charities, flexible participation with run or walk options and no time or pace requirements.