Bank Of America Chicago Marathon 2025. The heightened interest for 2025 will mean more than 53,000 people are set to cross the finish line at next year's race, set for oct. The bank of america chicago marathon is a world class running event returning to the streets of chicago on sunday, october 8, 2023.

The 47th running of the bank of america chicago marathon will take place on sunday, october 12, 2025. The race, which is the final event in the bank of america chicago distance series.