NEW YORK (Standard&Poor's) March 6, 2006--Standard&Poor's Ratings Services said today that it revised its outlook on Speedway Motorsports Inc. to stable from positive. At the same time, Standard&Poor's affirmed its ratings, including its 'BB' corporate credit rating, on the company. Concord, N.C.-based Speedway Motorsports is the second-largest U.S. owner and operator of motorsports facilities. Total debt was $430 million as of Dec. 31, 2005. "The outlook revision is based on the less favorable renewal of its lucrative TV broadcasting contract, which expires at the end of 2006," said Standard&Poor's credit analyst Hal F. Diamond. "The new contract will likely result in lower EBITDA and EBITDA margins in 2007, before beginning to recover