Chicago Half Marathon 2025 May 19. Conner mantz and weini kelati set new american half marathon records and more. Illinois half marathons 2024 & illinois half marathons 2025 also.

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. Conner mantz broke the american record at the houston half marathon on sunday.