Chicago Marathon Dates 2024 Dates. The bank of america chicago marathon is a world class running event returning to the streets of chicago on sunday, october 8, 2023. Dan cloeter of nebraska (2:17:52) and dorothy doolittle of texas (2:50:47) were the men’s and women’s winners.

And open at 4 p.m. Starting and finishing in grant park, the chicago marathon is a very flat race taking runners round one of the usa’s most iconic cities.