Dirt Motor Sports Racing, Inc. DIRT MotorSports(TM) is the premier dirt racing and sports entertainment company dedicated to the promotion of competitive dirt track racing. DIRT MotorSports is the largest sanctioning body for sprint, late model and modified dirt track racing in the United States and also owns and operates several dirt tracks. DIRT MotorSports operates the industry\'s most prominent national touring series\' including the World of Outlaws Sprint Series(R) broadcast on the Outdoor Channel(R) (Nasdaq:OUTD); the World of Outlaws Stacker 2(R) Late Model Series(R) broadcast on SPEED Channel(R) and the DIRT Modified Series(TM). \"World of Outlaws\" is a registered trademark of DIRT MotorSports.