Matt Kenseth led the first practice for the Sprint Cup Subway Fresh Fit 500(k) at Phoenix International Raceway.
His lap of 137.023 mph in the No. 20 Toyota was the quickest of the 43 cars out on the track for the first practice session. No. 18 Kyle Busch, No. 55 Mark Martin, No. 11 Denny Hamlin and No. 99 Carl Edwards were the rest of the top five on the speed chart. No. 32 Ken Schrader was the slowest.