Fall ultramarathons in Wisconsin, United States

One-mile loop on a wide, gently rolling path of gravel, grass, and dirt with 72 feet of elevation gain per loop, illuminated for nighttime laps.

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

Customizable 6 or 24-hour looped run or walk with flexible distance goals

Winding route from Greenbush recreation area through scenic Kettles landscapes, finishing at the Fuzzy Pig

Out-and-back route between Belleville Community Park and Dot's Tavern, featuring 4.2-mile legs, multiple distance options, and a last person standing format

136-mile route on the Ice Age State Trail through the Southern Unit of Kettle Moraine, featuring wide paths, single track, bike paths, and road connectors

Challenging last-person-standing ultramarathon for women on hilly Driftless Area loops with at least 250 feet of gain per 1–1.25 mile lap

Timed loop course on McMiller Trail through Southern Kettle Moraine Forest, with solo or relay options and multiple loop choices

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

50-mile point-to-point road course from Door County peninsula to Sturgeon Bay, featuring shoreline views and vibrant fall foliage

Looped course at Mosquito Hill Nature Center with 400 feet of elevation gain per 3.4 miles and variable race durations amid scenic natural surroundings.

Rugged singletrack trails and rolling bluffs with Mississippi River Valley vistas in Hixon Forest; challenging terrain and notable elevation changes

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

Scenic single-track park trails with a 5-mile loop and a special short loop option in the final hours

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