Rock River Madness 2026: Dixon, Illinois

Lace up for an unforgettable early-season challenge at Rock River Madness 2026, set amidst the picturesque landscapes of Dixon, Illinois, on Saturday, May 2. This event invites runners to experience the stunning natural beauty of the Rock River region, offering a diverse array of distances from the ultra-challenging 100K and 50K to the popular 13-mile, 10-mile, 16K, and 6-mile options. Prepare to navigate through rolling hills, charming towns, and fascinating landmarks that define this scenic area. The courses, particularly the trail options, promise an engaging run with varied terrain and elevation, providing a true test of endurance and spirit, with some trail sections featuring significant climbs and descents.

Starting from the Dixon Park District Facility at 1312 Washington Ave., runners will embark on routes that showcase the best of Lee and Ogle counties. Rock River Madness is more than just a race; it's an opportunity to challenge yourself, connect with fellow runners, and immerse yourself in the vibrant community spirit. Participants will enjoy typical race day conditions with comfortable highs around 68F and lows around 43F, alongside a manageable 17% chance of precipitation, making for ideal running weather.

Beyond the personal achievement, your participation supports a great cause, with proceeds benefiting the Dixon Parks District and the Rock River Valley Bicycle Club in their efforts to maintain and enhance local trails. Whether you're aiming for a personal best in a longer ultra-distance or seeking a scenic shorter trail run, Rock River Madness offers a unique and compelling early-season adventure for runners of all levels.