Chicago Marathon 2025 Route Pdf. By runner's world editors published: The 2025 chicago marathon is right around the corner, with the action kicking off out of millennium park and down the streets of the windy city on sunday, october 13th.

The 46th annual bank of america chicago marathon now welcomes runners from 140 countries and all 50 states. On race day, i woke up early at 4:30 am, three hours ahead of the marathon’s 7:30 am start time.