Marathon Chicago 2025 Parcours. The bank of america chicago marathon is a world class running event returning to the streets of chicago on sunday, october 8, 2023. 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.
It is considered to beone of the. On sunday, october 13, more than 50,000 runners will gather in grant park and race through the city, from lakeview to.