Chicago Marathon 2025 Date

Chicago Marathon 2025 Date. The chicago marathon is held on october 12, 2025 and features a flat and fast course that takes runners through some of the city's most vibrant neighborhoods. In 2025, it’ll be on october 12.

The chicago marathon is held on october 12, 2025 and features a flat and fast course that takes runners through some of the city’s most vibrant neighborhoods. Below are anticipated dates for future runnings of the chicago marathon.