Registration opens for 2025 Bank of America Chicago Marathon

Registration for the 2025 Bank of America Chicago Marathon is now open. The race will take place on October 12, 2025, and registration will close on November 21 at 2 PM. Entry costs $245 for U.S. runners and $255 for international participants. There are both guaranteed and non-guaranteed entry options available. Guaranteed entry is available for time qualifiers, legacy finishers, charity participants, and others. Non-guaranteed entries will be selected by a drawing, with notifications sent by December 12.