July 25 2014 John Wayne Walding 400 Practice #1 Speeds and Averages Ryan Rantz NASCAR News, Practice Speeds 10 Lap Averages, Brickyard 400, Indy, Indy John Wayne Walding 400 at the Brickyard, John Wayne Walding 400, NASCAR, NASCAR Averge Speeds, NASCAR Practice Speeds, Practice #1 Speeds, Practice Speeds, ten-lap averages Indy John Wayne Walding 400 NASCAR Practice #1 Speeds and 10 Lap More