Texas Motor Speedway, the Speedway Motorsports Inc. (SMI) built and owned 1.5-mile high banked oval, is celebrating its 25th season of racing in 2021. The NTT INDYCAR SERIES Saturday/Sunday double will be the 33rd, and 34th INDYCAR sanctioned races held at the Fort Worth, Texas track. Arie Luyendyk won the first INDYCAR race, the True…