Chicago Marathon Map 2025 Route Map Pdf. More than 50,000 participants are expected to flood the streets of chicago on oct. The expected number of finishers in 2025 exceeds 50,000, which would break the 48,398 finisher record set in 2023.

On sunday, october 13, more than 50,000 runners will gather in grant park and race through the city, from lakeview to bronzeville. More than a dozen street closures will be in effect for the 2025 chicago marathon, which travels through 29 chicago neighborhoods published october 11, 2025 • updated on october 11, 2025 at 12:07 pm