![Chicago Marathon on Twitter: "Just as the Chicago skyline reflects on Lake Michigan, your 2019 #ChicagoMarathon Nike participant shirt will remind you to reflect on your training and accomplishments this season. Soon Chicago Marathon on Twitter: "Just as the Chicago skyline reflects on Lake Michigan, your 2019 #ChicagoMarathon Nike participant shirt will remind you to reflect on your training and accomplishments this season. Soon](https://pbs.twimg.com/media/EFZcUIdX4AAKJCk.jpg:large)
Chicago Marathon on Twitter: "Just as the Chicago skyline reflects on Lake Michigan, your 2019 #ChicagoMarathon Nike participant shirt will remind you to reflect on your training and accomplishments this season. Soon
![Chicago Marathon on Twitter: "Did you even run the #ChicagoMarathon if you don't have the swag to prove it? Here is your official 2019 Chicago Marathon collection. Purchase it today at Nike Chicago Marathon on Twitter: "Did you even run the #ChicagoMarathon if you don't have the swag to prove it? Here is your official 2019 Chicago Marathon collection. Purchase it today at Nike](https://pbs.twimg.com/media/EE1X-myXkAAbXG7.jpg)
Chicago Marathon on Twitter: "Did you even run the #ChicagoMarathon if you don't have the swag to prove it? Here is your official 2019 Chicago Marathon collection. Purchase it today at Nike
![Chicago Marathon on Twitter: "Did you even run the #ChicagoMarathon if you don't have the swag to prove it? Here is your official 2019 Chicago Marathon collection. Purchase it today at Nike Chicago Marathon on Twitter: "Did you even run the #ChicagoMarathon if you don't have the swag to prove it? Here is your official 2019 Chicago Marathon collection. Purchase it today at Nike](https://pbs.twimg.com/media/EE1X-mjWwAECgUr.jpg)