100mi ultramarathons in Michigan, United States

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

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

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

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

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

Point-to-point ultramarathons on challenging trail courses through state recreation areas, featuring significant elevation and multiple aid stations