Chicago Half Marathon 2025 May 19

Chicago Half Marathon 2025 May 19. *information listed in the race weekend schedules are subject to change. Chicago spring 10k and chicago spring half marathon.

*if 10k will calls are not picked up by 6:30 am you will not be able to start. Join us for the life time chicago spring 10k and soak in the same lake michigan views through chicago’s historic museum campus, past soldier field and into the waiting arms of the spring.