Chicago Half Marathon 2025 Spring Registration

Chicago Half Marathon 2025 Spring Registration. The chicagoland spring marathon, half marathon & 10k is on sunday may 4, 2025. *if 10k will calls are not picked up by 6:30 am you will not be able to start.

Age limit for the half marathon distance is 14 and over. *if 10k will calls are not picked up by 6:30 am you will not be able to start.