The 2026 The LiUNA! was a NASCAR O'Reilly Auto Parts Series race held on Saturday, March 14, 2026, at Las Vegas Motor Speedway in Las Vegas, Nevada. Contested over 200 laps on the 1.5 mi (2.4 km) asphalt intermediate speedway, it was the fifth race of the 2026 NASCAR O'Reilly Auto Parts Series season, and the 30th running of the event.
In a wild race, Kyle Larson, driving for JR Motorsports, took advantage of a late restart, and led the final 47 laps of the event to earn his 18th career NASCAR O'Reilly Auto Parts Series win, and his first of the season. Justin Allgaier dominated the early stages of the race, winning both stages and led a race-high 48 laps, ending up with a fourth-place finish. Chase Briscoe finished second, and Sheldon Creed finished third. Sammy Smith rounded out the top five, while Jesse Love, Connor Zilisch, Corey Day, William Sawalich, and Austin Hill rounded out the top ten.
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 complex of multiple tracks for motorsports racing. The complex is owned by Speedway Motorsports, Inc., which is headquartered in Charlotte, North Carolina.
The first and only practice session was held on Saturday, March 14, at 9:00 AM PST, and lasted for 50 minutes.
Jeremy Clements, driving for his own team, Jeremy Clements Racing, set the fastest time in the session, with a lap of 29.963 seconds, and a speed of .
Qualifying was held on Saturday, March 14, at 10:05 AM PST. Since Las Vegas Motor Speedway is an intermediate racetrack, the qualifying procedure used was a single-car, one-lap system with one round. Drivers were on track by themselves and had one lap to post a qualifying time, and whoever set the fastest time won the pole.
Sam Mayer, driving for Haas Factory Team, qualified on pole position with a lap of 29.462 seconds, and a speed of .
Three drivers failed to qualify: Myatt Snider, Chad Finchum, and Dawson Cram.
Stage One Laps: 45
Stage Two Laps: 45
Stage Three Laps: 110