Runners in the 2015 Chicago Marathon blur as they near the one mile mark on Grand Avenue of the mile course.

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Runners in the 2015 Chicago Marathon blur as they near the one mile mark on Grand Avenue of the mile course. The Chicago Marathon is one of five major world-wide marathon events each year along with the Boston, New York, London and Berlin marathons

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Size: 5001px × 3321px
Location: Chicago, Illinois, USA
Photo credit: © Bruce Leighty - Sports Images / Alamy / Afripics
License: Licensed
Model Released: No

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