I do believe that it is a sport, based on two factors. #1, they get paid and have big sponsers(like how Coors sponsers football and baseball, for example). #2, there is a huge chance of being hurt, sometimes mortally(Dale Earnheart(don't know if spelled correctly), which could happen in every sport. Oh, and FYI, this is the most watched sport in the US, last I checked. Also, I don't watch it.