50mi ultramarathons in Michigan, United States in 2026

Single-track trails along Lake Superior with a 32-mile loop, extra out-and-back for 50-mile route, featuring technical sections and challenging climbs

Challenging, hilly single-track trails through the scenic Manistee National Forest

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

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

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

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