There are 2 marathons in Chicago, Illinois in 2026. The next is the Bank of America Chicago Marathon Semper Fi & America's Fund Team on October 8.

Road Pre Drawing Bank of America Chicago Marathon Semper Fi & America's Fund Team 2027 (Fundraising minimum required $1,500)Official Charity Program entry - Bank of America Chicago Marathon Semper Fi & America's Fund Team 2027 (Fundraising minimum required $2,500)Fundraiser Only (Runner already has an entry to the 2027 Bank of America Chicago Marathon - $300 fundraising minimum)