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    • Chicago Marathon partly-cloudy-day 53°/64°F
    Chicago Marathon Race Forecast
    Chicago, IL • October 12, 2025
    partly-cloudy-day 53°/64°F
    0%
    12mph
    46°
    8.4
    137
    DAYS

    What's that blue line painted in Chicago? It means something important for Chicago Marathon runners

    /Chicago residents may notice blue lines popping up on the city streets as they make their way around town.

    News
    bvd's Avatar
    @bvd
    October 03, 2024

    What's that blue line painted in Chicago? It means something important for Chicago Marathon runnersChicago residents may notice blue lines popping up on the city streets as they make their way around town. https://www.nbcchicago.com/news/sports/chicago-marathon/what-the-blue-line-painted-on-city-streets-means-for-the-upcoming-chicago-marathon/3551548/

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