Chicago Marathon 2025 Dates And Locations. The 47th running of the bank of america chicago marathon will take place on sunday, october 12, 2025. The 2025 bank of america chicago marathon, a member of the abbott world marathon majors, will start and finish in grant park beginning at 7:30 a.m.
The chicago marathon is held on october 12, 2025 and features a flat and fast course that takes runners through some of the city’s most vibrant neighborhoods. The bank of america chicago marathon is a world class running event returning to the streets of chicago on sunday, october 8, 2023.