Kasey Kahne led the Saturday practice for the Sprint Cup Kobalt Tools 400 at Las Vegas Motor Speedway.
He ran a fast lap of 188.134 mph in the No. 5 Chevrolet SS and will start fourth in the race. No. 16 Greg Biffle, No. 18 Kyle Busch, No. 29 Kevin Harvick and No. 99 Carl Edwards rounded out the rest of the top five on the speed chart for this practice. Joe Nemechek in the No. 87 was the slowest.