The Irwindale Speedway & Event Center is a motorsports facility located in Irwindale, California, United States. It opened on March 27, 1999, under the official name Irwindale Speedway. Toyota purchased the naming rights to the facility in 2008, and from that time until 2011 it was also known as the Toyota Speedway at Irwindale.

The zMAX CARS Tour is a stock car auto racing series in the United States. It is sanctioned by the Championship Auto Racing Series and sponsored by zMAX. The series races throughout the United States on paved short tracks in California, Nevada, North Carolina, South Carolina, and Virginia.