![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)
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: "Presenting your official 2018 @Nike participant shirt! Rock this shirt with pride as you race through the streets of Chicago and let it serve as a reminder of Chicago Marathon on Twitter: "Presenting your official 2018 @Nike participant shirt! Rock this shirt with pride as you race through the streets of Chicago and let it serve as a reminder of](https://pbs.twimg.com/media/DoldrroXoAEysNq.jpg)
Chicago Marathon on Twitter: "Presenting your official 2018 @Nike participant shirt! Rock this shirt with pride as you race through the streets of Chicago and let it serve as a reminder of
![2021 Official Bank of America Chicago Marathon Collection by Nike Runn – Heartbreak Hill Running Company 2021 Official Bank of America Chicago Marathon Collection by Nike Runn – Heartbreak Hill Running Company](https://cdn.shopify.com/s/files/1/0355/5937/4983/files/image-1.jpg?v=1632315568)