Chicago Marathon 2024 Apparel Store. As a world marathon major with a projected 50,000 runners this year, the chicago marathon expo was packed with participants, and many of the biggest brands in running. The bank of america chicago marathon is a world class running event returning to the streets of chicago on sunday, october 8, 2023.

They are continually voted as one of the “50 best. Tracksmith is a set ahead of us, as they usually tend to be with their performance.