Here's what the blue line painted on city streets means for Chicago Marathon runners

/Race day for the 2023 Bank of America Chicago Marathon is just over a week away, and Chicagoans making their way around the city on Friday may notice something...

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@grimmace

October 01, 2023

Here's what the blue line painted on city streets means for Chicago Marathon runnersRace day for the 2023 Bank of America Chicago Marathon is just over a week away, and Chicagoans making their way around the city on Friday may notice something... https://www.nbcchicago.com/news/sports/chicago-marathon/heres-what-the-blue-line-painted-on-city-streets-means-for-chicago-marathon-runners/3239241/

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Here's what the blue line painted on city streets means for Chicago Marathon runners

/Race day for the 2023 Bank of America Chicago Marathon is just over a week away, and Chicagoans making their way around the city on Friday may notice something...

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