Chicago Marathon Race Results 2025 Winners. Published october 13, 2025 11:00 am. The bank of america chicago 13.1 will have live race results available on race day.

Here’s a rundown of the marathon—including registration information, facts and figures about field size, past winners, and weather—plus a review of the 2023 race. Incredibly, world champion ruth chepngetich, who won in chicago in 2021 and 2022 and followed that up with a second place behind sifan hassan in 2023, achieved a new.