Chicago Marathon 2025 Elite Field. Everything you need to know about the 2025 chicago marathon. Chicago marathon 2025 start times and schedule the chicago marathon will start at 7:20am (cdt) (1:20pm bst) on sunday 13 october.

Nearly 50,000 runners took to the streets of chicago on sunday (13 october) seeking the glory that comes with taking the crown at the 2025 chicago marathon. Everything you need to know about the 2025 chicago marathon.