Chicago Marathon 2025 Dates And Times. The bank of america chicago marathon is a world class running event returning to the streets of chicago on sunday, october 8, 2023. The 2025 bank of america chicago marathon will open on tuesday, october 22.

According to fox 32 chicago, the bank of america chicago marathon is all scheduled for the date of october 12 in the year 2025 and will be organized in grant park while the marathon has already garnered a record and significant amount of interest with over 160,000 applicants vying for a spot. The race, which is the final event in the bank of america chicago distance series, continues to see unprecedented interest with.