Ready to race? Register directly on the official race website — opens in a new tab.
Register →Save this race to your wishlist, set a registration reminder, and build a full training plan on Trehko.
2027 Bank of America Chicago Marathon ACS Team DetermiNation Reservation System is a marathon running event held in Chicago, IL on Oct 10, 2027. It is a Boston Marathon qualifier. The course has a road profile.
Trehko tracks registration status, entry fees, and deadlines for 2027 Bank of America Chicago Marathon ACS Team DetermiNation Reservation System and thousands of other endurance races. Use the app to set a registration reminder and build a training plan tailored to race day.
Browse by discipline: