Speedway Motorsports

Speedway Motorsports, Inc. (SMI) is a United States company that owns and manages racing facilities that host NASCAR racing, IndyCar Series, NHRA, World of Outlaws and other race series. The company's headquarters are located in Charlotte Motor Speedway, on the outskirts of Charlotte, North Carolina. SMI has nine racing facilities with a combined seating capacity of around 885,000. In addition to operating racetracks, SMI has Performance Racing Network (PRN), U.S. Legends Cars International, and owns Motorsports Authentics.