Tough Mudder - Chicago

Tough Mudder Chicago takes place at Rockford International Airport, about an hour from downtown Chicago, on August 29–30, 2026. The weekend features 5K, 15K, and the 8-hour Infinity challenge, with 20+ obstacles on the longer courses and 12+ on the 5K. Runners tackle fast, flat fields, wooded trails, and creek crossings, then celebrate at Mudder Village with food, music, and a finisher beer.

Notable obstacles include Berlin Walls, Arctic Enema, and Augustus Gloop. Finisher medals, shirts, headbands, and a spectator option, plus group packages and parking/bag drop, round out the event experience, with entry options starting at $99. Visit the organization's website for the most recent information.