The 2021 Alsco Uniforms 302 was the 27th stock car race of the 2021 NASCAR Xfinity Series, the 4th iteration of the event, and the first race of the playoffs and the Round of 12. The race was held on Saturday, September 25, 2021 in North Las Vegas, Nevada at Las Vegas Motor Speedway, a 1.5 miles (2.4 km) permanent D-shaped oval racetrack. The race took 201 laps to complete. Josh Berry, in a dominating finish where his team, JR Motorsports finished 1-2-3, won the race after almost being involved in a wreck early in the race. Justin Allgaier and Noah Gragson would fill in the rest of the podium positions, finishing second and third, respectively.