Chicago Half Marathon 2025 Dates And Times. Use the search filters above to narrow down your options by date, price range, or specific neighborhood. Half marathon participants who arrive after 7:15 am will not be allowed to proceed on course.

Illinois half marathons 2025 and illinois half marathons 2024. As the city breaks away from winter, we welcome you to the return of chicago’s favorite spring race, the life time chicago spring half marathon.