50K 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 Ice Age Trail route through Chequamegon-Nicolet National Forest, featuring glacial landscapes, tranquil forests, and open prairies

Demanding 50k multi-loop course on Rib Mountain, with technical singletrack, steep climbs and descents, and 7,000+ feet of elevation gain.

Looped course on Driftless Area bluffs, with rocky climbs, wooded descents, grassy ridge lines, and a steep Broken Rock climb near the finish

Rolling hills and rocky trail segments along an out-and-back route in Wisconsin's Kettle Moraine State Forest, featuring brief road crossings

Scenic trail routes through Black River State Forest, featuring Wildcat Ridge climbs and challenging mounds

Rolling terrain through autumn forests on the Ice Age Trail, significant elevation gain, and extended out-and-back routes in Southern Kettle Moraine

Single track and ski trails with short climbs, rugged roots, rocky sections, and pine forest scenery; multiple distance options available

Nordic Blue loop course with 1,500 feet of elevation per 9.19-mile loop, rolling trails, and Wisconsin’s variable weather

Five challenging loops on Lapham Peak’s Blue Loop, rolling terrain and woodland scenery, supporting children’s cancer research

Rugged winter ultramarathon with 136 feet elevation gain per mile, persistent climbs and descents at Twin Valley's chilly, scenic terrain

Out-and-back 50K on the Glacial Drumlin State Trail from Lake Mills to Cottage Grove, a steady rail-trail route with a peaceful overnight feel.

Rolling hills, mixed trail and gravel with mostly asphalt, northwestern Wisconsin scenery, potential winter conditions in December

Winter loops or out-and-back segments on horse, snowmobile, or Ice Age and Scuppernong trails, with flexible routing based on trail and weather conditions

Point-to-point 50K on the Northern Kettle Moraine Ice Age Trail, with glacial landscapes, classic trail terrain, and early-season spring conditions.

Certified loop course with officially measured 50K and 100K routes, built for fast benchmark performances and a competitive race-day atmosphere.