NEW YORK (Standard&Poor's CreditWire) May 3, 1999--Standard&Poor's today assigned its single-'B'-plus rating to Speedway Motorsports Inc.'s Rule 144A offering of $75 million 8.5% senior subordinated notes due 2007. The offering is an addition to the company's August 1997 $125 million senior subordinated notes offering. Also, Standard&Poor's assigned its double-'B' rating to the company's $225 million revolving credit facility due 2004. The double-'B' corporate credit rating and outstanding single-'B'-plus subordinated debt rating for the company were affirmed. The rating outlook remains positive. The ratings for Speedway Motorsports reflect its good market position in the rapidly growing motorsports industry and its improving operating performance, offset by declining pro forma interest coverage resulting from the company's recent