Chicago Marathon 2025: Preview and how to watch as John Korir aims for historic finish

The Bank of America Chicago Marathon returns on October 12, 2025. Reigning champion John Korir targets a sub-2:01 finish, aiming to make history. He faces stiff competition from runners like Jacob Kiplimo and other Kenyan athletes. The race promises excitement as Korir attempts to set a new record on the Chicago course.