2026 Chicago Tough Mudder Event Weekend

Race facts

• It takes place on a Saturday, August 29, 2026 — summer in this part of the world.
• The closest comparable ocr / spartan event is Richardson Farm Fall 5K & 10K with Family 1 Mile Adventure Run in Spring Grove, 4 km away, on October 18, 2026.
• 10 of the 12 most similar events take place in the same month.