#22-Brad Keselowski was fastest during opening practice at Phoenix International Raceway with a speed of 131.974 mph. #11-Elliott Sadler was second, followed by: #54-Kyle Busch, #7-Regan Smith, #16-Ryan Reed, #20-Matt Kenseth, #6-Trevor Bayne, #42-Kyle Larson, #2-Brian Scott, and #3-Ty Dillon. 37 drivers practiced during the session. See complete results on the Phoenix practice 1 speeds page (pdf).
