The Chicago Marathon race weekend kicked off with the Abbott Health & Fitness Expo on Friday. After runners pick up their race bib, they can have their pick of Windy City themed apparel, shoes and gifts to commemorate their 26.2 around Chicago. Here are some photos from the expo of Chicago gear. And don’t forget to watch the Chicago Marathon on Sunday, October 8th. Not sure how to tune in? We have all the details here.