Dirt Circus - Chicago
Crystal Lake, United States • 13 Sep 2025
Dirt Circus - Chicago is a free community running event held in Crystal Lake, Illinois, celebrating local trail running culture. Organized by UltraSignup, the event features a festive atmosphere with a social run, food, raffle prizes, and an expo showcasing local races, run clubs, brands, and businesses. Participants can choose between a casual 4.5-mile or 7-mile group run, followed by socializing and vendor booths offering running gear, nutrition, and apparel. The event emphasizes community connection, supporting local race directors and businesses, and encourages runners to bring their own hydration as it is a cupless event. Dirt Circus offers a fun, inclusive experience under the metaphorical "big top" of trail running. Visit the organization's website for the most recent information.