Bank of America Chicago Marathon

About this race

The Bank of America Chicago Marathon, scheduled for October 12, 2025, in Chicago, USA, is a prestigious and highly anticipated annual road race organized by the Bank of America Chicago Marathon. Established in 1977, it has grown into one of the World Marathon Majors, attracting tens of thousands of runners from around the globe each year, alongside elite athletes vying for top honors. Participants can expect a world-class marathon experience characterized by a well-organized event, extensive aid stations, and enthusiastic crowd support throughout the course. The Chicago Marathon course is renowned for its generally flat and fast terrain, making it a popular choice for runners seeking personal bests. It winds through 29 diverse Chicago neighborhoods, offering a unique urban tour. Runners will encounter a mix of paved city streets, including wide boulevards and some bridge crossings, with minimal elevation changes. While the October weather in Chicago can be unpredictable, participants typically experience cool autumn temperatures, though wind can sometimes be a factor. Notable features include its iconic start and finish lines in Grant Park and the vibrant atmosphere generated by local residents cheering on runners.