Chicago Marathon 2025 Entry. If you have an entry into the event and wish to fundraise for an organization or charity of your choice you may do so through haku, the preferred fundraising platform of the bank of america. Guaranteed entry this option ensures that you will have a place on race day, and there are several ways to secure a guaranteed entry:

Guaranteed entry to the 2025 bank of america chicago marathon when you run for #teamrmhc. If you completed all three 2023 bank of america chicago distance series events (shamrock shuffle, chicago 13.1, and chicago marathon) in person, your spot for the 2025 marathon is guaranteed.