Sports

Chicago Marathon

1851days

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    There are 1,852 days until Chicago Marathon, on Sunday, 12 October 2031.

    The second Sunday of October through 29 Chicago neighbourhoods.

    The Chicago Marathon is a road marathon held in October in Chicago, Illinois. It is one of the eight World Marathon Majors. Thus, it is also a World Athletics Label Road Race. The Chicago Marathon is one of the largest races by number of finishers worldwide. The race was awarded the World Athletics Heritage Plaque in 2024, for "outstanding contribution to the history and development of road running."

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    Last verified Sep 16, 2026

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