Here are details about the 2025 Chicago Marathon, including key athletes to watch, the full schedule, and how to catch the action live.

Qualifier registration opened 10 a.m. on Monday, Sept. 8 and goes until Friday, Sept. 12 at 5 p.m. Qualifying for the Boston Marathon has gotten harder this year: for most age groups, the qualifying ...

Abby Burke, Mike Burke, and Kate Michaw, of Hopkinton, cheer on runners at the start of the 129th running of the Boston Marathon, April 21, 2025. / Daily News and Wicked Local Staff Photo/Art Illman / ...