F^3 Cap Sauers Trail Marathon

The Great Western Half-Marathon & 10K, organized by Fox River Trail Runners, is a popular race held annually on the scenic Great Western Trail. With a history spanning over 25 years, the event features a flat, out-and-back course that attracts runners of all levels. Participants can choose between t..

The Chicago 7-11 Hour Endurance Run, organized by Yeti Trail Runners, is a unique trail running event set in Willow Springs, IL. Participants can choose between a 7-hour or 11-hour endurance challenge, navigating a scenic 4-mile loop through the picturesque Wolf Road Woods and Palos Preserves. The e..

The Hickory Knolls Trail Run, taking place on June 8, 2025, at the Hickory Knolls Discovery Center in St. Charles, IL, features a 5K, 10K, and a 10K relay event. Participants can enjoy a scenic course that includes grass and dirt trails, with a mix of flat sections and hills.The event is part of the..

The Naperville Trails Half Marathon & 10K is a scenic running event taking place in Wheaton, Illinois, 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 Preserv..

Timely Nonsense is a unique running event taking place in Chicago, IL, featuring both 6-hour and 12-hour timed races. Participants can choose to run individually or as part of a relay team of two or four. The race is set in a scenic 58-acre park, where runners will navigate a 0.75-mile paved loop.Ea..

The Half Day at the Lake is an exciting running event taking place in Evanston, IL, featuring both 12-hour and 6-hour races. Set along a scenic 2-mile loop by the lakefront and Northwestern University, this race caters to all experience levels, from seasoned ultra-runners to first-timers. Participan..