Click on an image to view map or slideshow
Ahead of the Chicago Marathon on Sunday (October 9) Sean “Professor Marathon” Hartnett’s chronicles of 10 recent editions of the race, a mix of meticulously annotated maps and slideshows of the races. All in all, a deep dive into the Windy City’s oft-eventful 26-miler.
CLICK HERE to Read the Full Original Article at Track & Field News…