Richmond International Raceway (RIR) is a 0.75 miles, D-shaped, asphalt race track located just outside Richmond, Virginia in Henrico County. It hosts the Monster Energy NASCAR Cup Series and NASCAR Xfinity Series. Known as "America's premier short track", it formerly hosted a NASCAR Camping World Truck Series race, an IndyCar Series race, and two USAC sprint car races. Until 2016, Richmond International Raceway was one of several race tracks to host all of its events at night.