Chicago Half Marathon 2025 May 19 Date. Race tips, registration, why it's a good race to pr in, and a whole lot more! On may 18, 2025, the life time chicago spring half marathon invites runners to shake off the winter blues with a scenic run along chicago's lakefront.

Complete both half marathons, earn 3 medals and major bragging rights! On may 18, 2025, the life time chicago spring half marathon invites runners to shake off the winter blues with a scenic run along chicago’s lakefront.