2021 Alsco Uniforms 300

The 2021 Alsco Uniforms 300 was a NASCAR Xfinity Series race held on March 6, 2021. It was contested over 200 laps on the 1.5 mi oval. It was the fourth race of the 2021 NASCAR Xfinity Series season. Kaulig Racing driver A. J. Allmendinger collected his first win of the season.

Background
Las Vegas Motor Speedway, located in Clark County, Nevada outside the Las Vegas city limits and about 15 miles northeast of the Las Vegas Strip, is a 1200 acre complex of multiple tracks for motorsports racing. The complex is owned by Speedway Motorsports, Inc., which is headquartered in Charlotte, North Carolina.

Entry list

 * (R) denotes rookie driver.
 * (i) denotes driver who is ineligible for series driver points.

Qualifying
Myatt Snider was awarded the pole for the race as determined by competition-based formula. Jordan Anderson, Dillon Bassett, and Andy Lally did not have enough points to qualify for the race.

Stage Results
Stage One Laps: 45

Stage Two Laps: 30

Final Stage Results
Laps: 110

Race statistics

 * Lead changes: 23 among 7 different drivers
 * Cautions/Laps: 8 for 45
 * Time of race: 2 hours, 38 minutes, and 10 seconds
 * Average speed: 113.804 mph