Chicago Half Marathon 2025

Chicago Half Marathon 2025. Find and register for your next half marathon race with our calendar. Registration for the 2025 chicago half marathon series opens january 2025.

Choose from either the half marathon, 10k, or junior dash distances, each designed to help you celebrate spring along our scenic lakefront, with amazing views and refreshing lake breezes. The chicago distance series is made up of chicago’s premier racing portfolio: