An army of runners crossing the State Street Bridge at the 40th anniversary running of the 2017 Chicago Marathon.

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An army of runners crossing the State Street Bridge at the 40th anniversary running of the 2017 Chicago Marathon. The Chicago Marathon is one of the world's six major marathon events annually joining the Boston, London, Berlin Tokyo and New York races. The 2017 running was the 40th anniversary event.

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Size: 4928px × 3280px
Location: Chicago, IL, United States
Photo credit: © Bruce Leighty - Sports Images / Alamy / Afripics
License: Licensed
Model Released: No

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