 By lap 30 , Earnhardt had moved up eight positions to twelfth . Ten laps later , Reutimann had maintained a lead of 1 @.@ 7 seconds over Kenseth . On lap 42 , Marcos Ambrose moved into seventh . Five laps later , Kenseth claimed the lead off Reutimann who was blocked by Casey Mears . On lap 51 , green flag pit stops began , as Kenseth made a pit stop handling the lead to Stewart . On lap 54 , Kyle Busch became the new race leader after Stewart came into pit road . Kyle Busch made a pit stop one lap later , handing the lead back to Kenseth . By lap 60 , Kenseth had built up his lead over Reutimann by over two seconds . Eight laps later , Stewart passed Reutimann for second . 
