2024 Chicago Marathon Registration Dates. Find out the course map, start times, street closures, and the. Registration for the next edition will begin on tuesday, october 22 , at 10 a.m.

Everything you need to know about the 2024 chicago marathon your complete guide to one of the world’s biggest marathons, including how to live stream chicago, how to. The chicago marathon is held on the second sunday of october every year.