About

In its 47th year on Sunday, October 12, 2025, the Bank of America Chicago Marathon will welcome thousands of participants from more than 100 countries and all 50 states, including a world-class professional athlete field, top regional and Masters runners, race veterans, debut marathoners and charity participants. The race's iconic course takes participants through 29 vibrant neighborhoods on an architectural and cultural tour of Chicago. Annually, more than a million spectators line the streets cheering on tens of thousands of participants from the start line to the final stretch down Columbus Drive. As a result of the race's national and international draw, the Chicago Marathon assists in raising millions of dollars for a variety of charitable causes while generating over $683 million in annual economic impact to its host city. The 2025 Bank of America Chicago Marathon, a member of the Abbott World Marathon Majors, will start and finish in Grant Park beginning at 7:30 a.m. on Sunday, October 12. In advance of the race, a three-day Abbott Health & Fitness Expo will be held at McCormick Place Convention Center on Thursday, October 9, Friday, October 10, and Saturday, October 11.