Chicago Half Marathon 2025 Registration Software. The distance series connects the bank of america chicago marathon, chicago 13.1 and shamrock shuffle 8k run in a unique challenge that rewards participants who finish. Registration for the 2025 event is now open.

Will past bank of america chicago marathon finishers be given preference to register for the 2025 chicago marathon? All participants must begin the race in the specific start corral, identified by the.