When Is Chicago Marathon 2024 Dates. 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 2024 chicago marathon. Grant park opens to runners:
2024 paris olympics dec 13, 2023. To create consistency and predictability for community members impacted by the bank of america chicago marathon, the chicago marathon takes place on the second sunday of october.