NASCAR Xfinity Series 2022 3 2022-03-05 2022-03-05 https://r2.thesportsdb.com/images/media/event/thumb/nzt62w1655694237.jpg The Alsco Uniforms 300 is a NASCAR Xfinity Series stock car race held at Las Vegas Motor Speedway in Las Vegas, Nevada. Since it was first held in 1997, the race has been among the first five races of the season. 1568785