6hr ultramarathons in Wisconsin, United States

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

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.

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

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

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.

Scenic trail loops along the river with a 6-hour endurance format emphasizing community and personal achievement

Winter timed ultra with solo or relay options, 12- or 20-hour formats, continuous distance challenge

Flexible solo or relay race on three loop options through Kettle Moraine State Forest, with distance-based results and prize payouts for top finishers

Looped ultra marathon on the 1.01-square-mile UW–Stevens Point campus in Portage County, supporting the UWSP Cross Country Team

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

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