Racer X Films: Ricky Dietrich, Southwick August 27, 2011 1:10pm Home Multimedia Video Racer X Films Racer X Films: Ricky Dietrich, Southwick - Motocross Southwick, MA Moto-X 338AMA Pro Motocross Championship Take a lap with Ricky Dietrich around the Southwick track courtesy of GoPro.