Racing on the track is crucial, get off the blacktop or racing surface and you really slow down, and often lose control in the snow, sand, or on the rocky shoulder.
(Racing on the track; is; crucial) (Racing on the track; get; off the blacktop or racing surface) (you; really slow down; )
Racing on the track Racing on the track you
is get really slow down
crucial
off the blacktop or racing surface