![First, she took on Nike. Now Olympic track star Allyson Felix wants to end the maternal health crisis. First, she took on Nike. Now Olympic track star Allyson Felix wants to end the maternal health crisis.](https://media-cldnry.s-nbcnews.com/image/upload/newscms/2021_08/3452392/allyson-1x1.jpeg)
First, she took on Nike. Now Olympic track star Allyson Felix wants to end the maternal health crisis.
![Tokyo Olympics: Allyson Felix kept running, stood up to Nike and redefined what's possible for women in sports - CBSSports.com Tokyo Olympics: Allyson Felix kept running, stood up to Nike and redefined what's possible for women in sports - CBSSports.com](https://sportshub.cbsistatic.com/i/r/2021/08/06/6d377ff6-c931-4729-a712-6997cf4a3d42/thumbnail/1200x675/80095498995bf3c0bf61296729b7c802/3-felix-olympics.jpg)
Tokyo Olympics: Allyson Felix kept running, stood up to Nike and redefined what's possible for women in sports - CBSSports.com
![First, she took on Nike. Now Olympic track star Allyson Felix wants to end the maternal health crisis. First, she took on Nike. Now Olympic track star Allyson Felix wants to end the maternal health crisis.](https://media-cldnry.s-nbcnews.com/image/upload/t_fit-1500w,f_auto,q_auto:best/newscms/2021_08/3452391/allyson-2x1.jpeg)
First, she took on Nike. Now Olympic track star Allyson Felix wants to end the maternal health crisis.
![Another Olympic Gold for Nike Athletics This shot of Allyson Felix was retouched from stock photography for a look developme… | Nike outfits, Allyson felix, Athlete Another Olympic Gold for Nike Athletics This shot of Allyson Felix was retouched from stock photography for a look developme… | Nike outfits, Allyson felix, Athlete](https://i.pinimg.com/originals/b7/92/0b/b7920b2d99b28fee658942c812faebf8.jpg)
Another Olympic Gold for Nike Athletics This shot of Allyson Felix was retouched from stock photography for a look developme… | Nike outfits, Allyson felix, Athlete
![American track star Allyson Felix launches her own shoe company two years after leaving Nike - CBSSports.com American track star Allyson Felix launches her own shoe company two years after leaving Nike - CBSSports.com](https://sportshub.cbsistatic.com/i/r/2016/08/16/18a0769d-3126-4010-8b86-ff3ac3411e6b/thumbnail/1200x675/befe3fc185541316e0e315bab34976c8/allysonfelix.jpg)