Beginner 50K ultramarathons in Michigan, United States

Forested singletrack, open ski hill ascents, and technical descents over five 10k laps at Cannonsburg Ski Area

Singletrack course along the North Country Trail with rolling bluffs, Lake Michigan views, coastal forests, wilderness lakes, and the Sturgeon Bay Trail.

Island loop course on Grand Island with single track, dirt roads, sandstone cliffs, hardwood forest, and views of Lake Superior and Pictured Rocks

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

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

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

Forested singletrack at Michigan Tech Trails with 50k distance and full course support

Scenic rolling trails and winter conditions at Yankee Springs State Recreation Area; 50k course with frequent aid stations

Challenging 50K on gravel roads and farmland, featuring rolling hills, flat stretches, rural views, and the steep Ivan the Terrible ascent

50 miles from Lake Huron to Saginaw Bay on mostly dirt and unimproved rural roads; flat, open small-town countryside course

Singletrack routes through Pere Marquette Forest, distance options up to 100K, forested trails and relay format at Timber Ridge RV & Recreation Resort

Single-track trails through scenic Yankee Springs with 50k and 100k distances; Long Lake Outdoor Center lodging available

Scenic single-track and dirt roads through secluded river valleys and high country, gentle gradients in the Rock River Canyon Wilderness, moderate non-technical

Scenic single-loop trail course at Sleepy Hollow State Park, featuring well-stocked aid stations, clear markings, and generous cutoff times

Rocky and muddy trails, river crossings, steep hills, and unmaintained sections through a scenic and varied landscape

Single track and forest road routes along Lake Superior’s rugged shoreline and bluffs, winding past rivers and lakes, finishing at Upper Tahquamenon Falls.