Thu, October 8 – Sat, October 10
10:00 AM – 6:00 PM · 56h
Runners pick up the Shokz Four-Star Challenge passport at the booth and get it stamped, one step toward collecting four stars for a chance at giveaway rewards. The final star can be earned at a designated in-person group run during race week.
Type
Marathon
Chicago Marathon 2026Duration
56 hours