Des Plaines River Trail Races

Timely Nonsense is an urban ultramarathon held at a 58-acre park in Chicago, at the intersection of California and Montrose. The course features a 0.75-mile paved loop that runners complete for the 6-hour or 12-hour timed events. An aid station at the Start/Finish provides typical ultrarunning fare,..

Half Day at the Lake is a unique ultra-running event held in Evanston, Illinois, featuring 6- and 12-hour race options. The race takes place on a scenic 2-mile loop along Chicago’s north shore lakefront path, passing through Evanston’s lakefront and Northwestern University’s campus. The course is a..

Bloomingdale Trail 5K is an annual, family-friendly running event in Chicago, Illinois. The day features a timed 5K race along with ¼- and ½-mile dashes for young runners. The event location is 1834 N Lawndale Ave, Chicago, IL 60647, and the site describes a welcoming atmosphere for runners of all a..

Bristol Woods Trail Run takes place in Bristol, Wisconsin at Bristol Woods County Park, hosted at the Pringle Nature Center (9800 160th Ave). The event offers a 5K Trail Run and a 2 Mile Walk, plus junior versions for participants 18 and under. The course runs along the park’s trails, described as a..

The Fast Track Cross Country Open is a 3.05-mile race held in Schaumburg, Illinois, on the MacNider cross country course near Hoover Elementary School. Scheduled for November 9, 2025, it features separate women's and men's races open to all ages and abilities. The course consists of a short start fo..

Childish Nonsense is a trail running event held in Palatine, Illinois, at Deer Grove Forest Preserve West. It offers multiple distances: 10K, 25K, 50K, and 50 miles, with courses consisting of laps on a mostly wide, non-technical trail. Runners encounter a single aid station at the start/finish area..