Summer ultramarathons in Wisconsin, United States

Tough and unpredictable trail course with a mix of out-and-back segments and loops on mostly clockwise routes at Devil's Lake

Scenic Wisconsin Northwoods trails with rolling hills, lush forests, and a surprise ultra distance revealed at the turnaround aid station

Mostly rail trail course connecting Belleville, WI to Orangeville, IL, passing through small towns and scenic stretches with frequent aid stations

Rugged singletrack through glacial landscapes, frequent hills, boardwalk crossings, and remote Northwoods scenery

Historic Blackhawk Ski Club loop with 367 feet of gain per 2.25-mile lap, 50-foot pines, spring pool, rope swing, and climb beneath the ski jump

Rugged Ice Age Trail route through Chequamegon-Nicolet National Forest, featuring glacial landscapes, tranquil forests, and open prairies

Meticulously marked trail courses around Richard Bong and Vern Wolf Lake, rolling hills, and scenic lake views at Richard Bong State Recreation Area

Primarily wooded trail with roller coaster hills, prairie and marsh stretches, soft pine needle footing, and recurring "Silent Killer" climbs

Looped 50K featuring a mix of flowy trails and technical singletrack through maple forests and pine groves, with views of Lake Superior and the Apostle Islands

Overnight 10-hour trail run on a scenic 5.25-mile Driftless Area loop, steep opening climb, varied elevation, and a community-focused atmosphere

Scenic Camp Sinawa trails in Valders, WI, mixed terrain, multiple distance options, rewarding course for ultrarunners