tina kraus, cbs news, london. >> when we come back, an inspiring athlete who gives special meaning tonightus slogan just do it >> morgan: millions of watched this awesome moment on social media, learning that he has been awarded a contract with nike. nike has many famous athletes under contract but justin is a different kind of winner. and a role model. carter evans has this inspiring story. >> here he comes. >> for justin, running seemed like an impossible dream, he was born with cerebral palsy a neurological disorder that affects coordination and muscle movement. >> initially when he started running, he was falling. and he would have bloody knees and 90% of the time he would pick himself up and we would finish the runment. >> justin's dream wasn't just to run, but run fast. despite his disability, he can do a seven minute mile and now competes with the university of oregon running club. all that put him on nike's radar. >> at the end of a practice run, a company representative made a surprise announcement, justin would be signed as an official nike professional athlete. >> yeah! >> i'm's