Chicago Marathon 2025 Sign Up. The shows will air at 7 a.m. 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 distance series connects the bank of america chicago marathon, chicago 13.1 and shamrock shuffle in a unique challenge that will reward participants who finish all. Nbc chicago and telemundo chicago will offer complete live tv coverage and live streaming of the 2025.