Chicago Marathon 2025 Application Form

Chicago Marathon 2025 Application Form. Applications are reviewed on a rolling basis, so we recommend applying as soon as possible. To enter the chicago marathon, you have two options:

By filling in the form below, you will be informed of the reopening of the registrations for 2026 and additional details for submitting your application. Join the 100 club of illinois for the 47th running of the bank of america chicago marathon on october 12, 2025!