Chicago Marathon 2024 Date And Time. Here’s a rundown of the marathon—including registration information, facts and figures about field size, past winners, and weather—plus a review of the 2023 race. Chicago marathon 2024 start time the chicago marathon will begin at 7:20 a.m.

How to watch, where to park, course map and more. It will be a special race with organisers planning activities to honour the.