Jimmie Johnson leads the first practice for the Sprint Cup FedEx 400 at Dover International Speedway.
His lap of 159.603 mph in the No. 48 Chevrolet SS was the quickest of the 43 cars out on the track for the first practice session. No. 5 Kasey Kahne, No. 18 Kyle Busch, No. 78 Kurt Busch and No. 1 Jamie McMurray are the rest of the top five on the speed chart. No. 44 Scott Riggs was the slowest.