When Is Chicago Marathon 2025 Dates. The 2025 chicago marathon is set for sunday, marking the 47th annual edition of the beloved race. The bank of america chicago marathon is a world class running event returning to the streets of chicago on sunday, october 8, 2023.
What time it starts and how you can watch here’s the schedule of events for the 2025 chicago marathon If you have questions about the 2025 event, visit the frequently asked questions page to learn more.