NASCAR Pole Position Martinsville edition is now available. Please head to Walmart, or other area retailers that offer free magazines, to pick up your free copy. Magazines were shipped to area Walmarts that feature Tire & Lube Express departments. Be sure to tell them NASCAR Pole Position sent you! And remember the magazine is free for all race fans! If you are not in the race market, you can get a subscription to NASCAR Pole Position here right now. Have you signed up for your free subscription to ROAR? ROAR! is a digitally-delivered, weekly magazine that reviews the week that was, and provides fans with a…