October ultramarathons in Minnesota, United States

Flat course through St. Croix State Park, forest and prairie trails, Kettle River views, historic fire tower climb, generous cutoff times

Grassy ski trails with rolling hills, night running under trail lights, an approachable route just beyond marathon distance

Endurance challenge spanning daylight hours, designed for participants to push physical limits from sunrise to sunset

Willard Munger Trail route from Sturgeon Lake to Duluth, lush forests and lakes, smooth terrain, 10-mile downhill finish, glacial landscape views

Grass-dominant loop through Blue Mounds State Park trails with shaded stretches, brief gravel and paved sections, and nearby campground access.

Rugged Superior Hiking Trail paths, challenging 50K and 100K routes, rocky and root-covered terrain, sweeping Duluth and Lake Superior views

Multiple 5-mile loops along Bassett Creek, 6- or 12-hour ultramarathon, Indigenous heritage and Dakota traditions

Suburban trail course through a scenic park with single track sections, starting at Murphy Lake Road and organized in 16.8-mile loops in Savage, MN