The 47th Bank of America Chicago Marathon is scheduled to be on Sunday, October 12, 2025, beginning and concluding at Grant Park. More than 50,000 participants from around the globe will compete in the 26.2-mile race, which includes elite men’s and women’s divisions. Leading contenders such as John Korir, Megertu Alemu, Timothy Kiplagat, and Hawi Feysa are anticipated to challenge course records. Prize award amounts to $560,000, with extra bonuses for course records.