Chicago Marathon 2025 Registration Dates And Times. Bank of america chicago 13.1 the bank of america chicago 13.1 will take place on sunday, june 1, 2025. The price of this event.

Here are some of our other events you could participate in: 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.