Chicago 11 Hour Endurance Run

The Muddy Shamrock @ The Forge is an exciting trail running event taking place in Lemont, Illinois, featuring a Trail Half Marathon and a Trail Quarter Marathon. Set against the scenic backdrop of the historic Lemont Quarries, participants will navigate through wooded single and double-track trails,..

The Forrest Gump Hump 5K Trail Run is scheduled to take place at Oak Ridge Prairie and Oak Savannah Trail in Griffith, Indiana. This event, organized by the Crazy Legs Race Series, promotes non-pavement races in the Northwest Indiana region. Participants can expect a fun and challenging course, with..

Childish Nonsense is a whimsical running event taking place at Deer Grove Forest Preserve in Palatine, IL. Participants can choose from various distances, including a 50 Miler, 50K, 25K, and 10K, all set on a wide, non-technical trail. The event aims to foster a sense of community and joy in ultraru..

The Great Western Half-Marathon & 10K, organized by the Fox River Trail Runners, is a well-established running event held on the scenic Great Western Trail. Celebrating over 25 years, this competitive race features a flat, out-and-back course, making it accessible for runners of all levels. Schedule..

The F^3 Cap Sauers Trail Marathon & 10 Mile is set to take place in Palos Hills, IL, on May 10, 2025. This event features a challenging marathon and a 10-mile race, both traversing the scenic Cap Sauers Holding Nature Preserve, the largest undeveloped area in Cook County. Participants will experienc..

The Naperville Trails Half Marathon & 10K is a scenic running event taking place in Wheaton, IL, on September 6, 2025. Participants can choose between a half marathon and a newly introduced 10K distance, both of which traverse the beautiful crushed limestone trails of the Danada Forest Preserve. Thi..