Tiger 10 Miler

The Chupacabra Trail Races take place in Dixon, Illinois, featuring night trail running on a 5-mile loop course composed of grass, gravel, dirt, and 30% single track. Participants can choose from distances of 5, 10, or 15 miles by completing one to three laps, or join a three-person relay team. The..

The Gristmill Grind 10K is a challenging trail race held annually at Franklin Creek State Park in Franklin Grove, Illinois. Known as one of the most difficult 10Ks in the area, the course features technical trails with approximately 800 feet of elevation gain, multiple hill climbs, and four creek cr..

The Hobo Trail Runs, hosted by Rockford Road Runners, take place at Rock Cut State Park in Rockford, Illinois. This annual event offers multiple trail running distances including 10k, 25k, and 50k races, with options to participate in single races or the challenging Triple Crown series (85k total) o..

Hindsight Ultra Trail Runs, held in Dixon, Illinois, offers a grassroots ultra running experience with distances of 25K, 50K, 100K, and 100 miles. The course features a 7.85-mile loop combining roughly 50% singletrack, 30% grassy meadows, and 20% gravel paths, with about 6,200 feet of elevation gain..

The Autumn Leaf Run is a 5K trail race held at Oakdale Nature Preserve in Freeport, Illinois. Open to all ages and skill levels, the event offers a scenic course featuring diverse terrain such as wide tree-lined trails, moderate hills, prairie areas, bridge crossings, and single-track trail sections..

The Skunk Ape 806/314 Trail Race, held at Lowell Park in Dixon, Illinois, offers challenging trail running events on March 21, 2026. Participants can choose between a 33.75-mile race to be completed in 8 hours and 6 minutes, a 13.5-mile race with a 3 hour and 14 minute limit, or a relay option. The..