The Performance Racing Network (PRN) is a radio syndication network controlled by Speedway Motorsports (SMI) founded in 1981. PRN airs NASCAR Cup Series and Xfinity Series events held at Speedway Motorsports and COTA >"PRN Sets 2021 Cup Series Broadcast Schedule". Performance Racing Network. October 2, 2020. Retrieved March 27, 2021.</ref>

Speedway Motorsports, LLC is an American company that owns and manages auto racing facilities that host races sanctioned by NASCAR, NHRA, World of Outlaws and other racing series. The company was founded by Bruton Smith and has its headquarters at Charlotte Motor Speedway, in Concord, North Carolina, just north of Charlotte. Speedway Motorsports owns nine racing facilities with a combined seating capacity of approximately 885,000. In addition to operating racetracks, Speedway Motorsports owns Performance Racing Network (PRN), U.S. Legend Cars International, and co-owns Motorsports Authentics.