The Bank of America Chicago Marathon is one of the six World Marathon Majors, drawing over 45,000 runners from across the globe to race through the heart of one of America’s most iconic cities. The fast, flat course is a favorite for elite runners chasing records and first-timers alike, winding through 29 diverse neighborhoods, from the skyscrapers of The Loop to the vibrant streets of Pilsen and Chinatown. With thousands of enthusiastic spectators, live music, and a thrilling finish in Grant Park, this race delivers an electric atmosphere and world-class organization year after year.