The Cook Out 400 is an annual NASCAR Cup Series stock car race held at the Richmond Raceway in Richmond, Virginia, being the second of two races at the track with the first one being the Toyota Owners 400 in the spring.

Richmond Raceway (RR) is a 0.750 mi (1.207 km), D-shaped, asphalt race track located just outside Richmond, Virginia in unincorporated Henrico County. It currently hosts two NASCAR Cup Series race weekends, hosts the NASCAR Xfinity Series, and the NASCAR Craftsman Truck Series. It formerly hosted events such as the International Race of Champions, Denny Hamlin Short Track Showdown, and the USAC sprint car series. Richmond Raceway's unique "D" shape which allows drivers to reach high speeds. The tracks racing grooves, and proclivity for contact make Richmond a favorite among NASCAR drivers and fans.