Chicago Half Marathon 2025 Lifetime Pass. For each race, you’ll find the history of the half marathon and the course, the most recent year’s course maps, elevation. The life time chicago half marathon, hosted by life time, takes place on september 28, 2025, in chicago’s historic jackson park.

This scenic 21.1 km race allows participants to run on a. This means if your child will be 14 by the date of the race (5/18/2025), they are.