Quad Cities Marathon

GUARANTEED T-SHIRT & SIZE ONLY IF REGISTERED BY AUGUST 31st. ALL REGISTRATIONS FINAL. NO REFUNDS OR TRANSFERS ALLOWED. Welcome to the Quad Cities! The TBK Bank Quad Cities Marathon, a USATF Certified and Boston Qualifier course, captures the essence of our nation’s heartland with its consistent connection to the Mississippi river and Midwest charm. This fairly flat and fast course features some of the finest and most beautiful river views in the country. WE WON! RaceRaves has crowned the TBK Bank Quad Cities Marathon the best marathon in Illinois for 2025. Thank you to our incredible running community! Sign up today to join us in 2026.