Grand Am Rolex 24: Seven Hours to Go and the Race Is On!

After a night of fog and caution flags, the Grand Am Rolex 24 is back on,with Dario Franchitti leading.

Dario Franchitti leads the Grand Am Rolex 24 in the #02 Telmex Ganassi Riley BMW after a night of fog and yellow flags. John Harrelson/Getty Images

After a night of fog and caution flags, the Grand Am Rolex 24 is back up to speed, its long line of cars roaring around Daytona International Speedway as the rising sun burns of the last of the haze.