Greg Biffle, with a lap speed of 182.567 mph, was fastest in the final Brickyard 400 practice session. It was the second practice session in a row that Biffle had the fastest lap.
Kasey Kahne was second fastest with a lap speed of 182.441 mph, and was followed by Kurt Busch (181.829), David Ragan (181.800) and Carl Edwards (181.514).
Rounding out the top-ten fastest in “Happy Hour” were Juan Pablo Montoya (181.368), A.J. Allmendinger (181.346), Matt Kenseth (181.258), Brian Vickers (181.251) and Jimmie Johnson (181.229).
Final Practice Speeds