The Alsco 300 is a NASCAR Xfinity Series race held annually at Charlotte Motor Speedway in Concord, North Carolina. The race typically takes place in May and covers a distance of 300 miles, which translates to 200 laps on the 1.5-mile track. Alsco, a linen and uniform rental services company, sponsors the event. The race is part of the NASCAR Xfinity Series schedule, which serves as a proving ground for drivers aspiring to compete in the top-tier NASCAR Cup Series.