September 1 2012 UPDATED: Average Practice Speeds – Atlanta Advocare 500 Ryan Rantz Fantasy Nascar, Practice Breakdown 2012, Atlanta, Atlanta Advocare 500, Atlanta Average Speeds, Average Practice Speeds, Average Speeds, Fantasy NACAR Atlanta, Fantasy Nascar, Fantasy Racing, Fantasy Racing Atlanta, Fastest In practice, NASCAR, Racing, Ten Lap Rankings, ten-lap averages Five Fastest In Practice #1: Martin Truex Jr. Kyle Busch Tony Stewart More