Chicago Marathon Charity Partners 2025. This iconic race will take place on sunday, october 13, 2025. Big brothers big sisters of metro chicago is proud to be an official charity partner of the 2025 bank of america chicago marathon.
We have sold out of our entries in the 2025 bank of america chicago marathon. We are thrilled to have two new sponsor partners for the 2025 chicago marathon, which is viewed live by 1.7 million cheering spectators.