The 29-year-old has broken nearly every bone in his body on his death-defying path to motorcross glory. Now, Travis is up against the biggest challenge of his professional career: to become a top competitor in NASCAR racing.

Transitioning from two wheels to four proved to be the monumentous challenge Travis expected but as fans of the sports legend know, he never gives up. Equipped with a rejuvenated iron will and a new deal with Roush Fenway Racing, the motorcross superstar is training harder than ever to prove all the naysayers wrong and speed his way into NASCAR history.—Andy Bell