 On lap 53 , Kurt Busch became the new race leader after Stewart came into his pit stall . One lap later , Kurt Busch came onto pit road and Bowyer became the new race leader . On lap 57 , Harvick passed Bowyer to clinch the lead . Two laps later , Bowyer moved into second position by passing Stewart . Four laps later , Stewart reclaimed the lead after passing Harvick . On lap 64 , Johnson passed Martin to move into ninth . By lap 73 , Stewart had a 2 @.@ 4 second lead over Harvick . One lap later , Newman collided with the wall , falling to eleventh place , and escaped with minor damage . On the 79th lap , Truex moved into seventh after passing Jeff Gordon . Two laps later , Ambrose spun at turn four but avoided contact with the barriers , causing the first caution of the race , and the pace car came out on track . During the caution , most of the leaders made pit stops . 
