The 2023 Production Alliance Group 300 was the 2nd stock car race of the 2023 NASCAR Xfinity Series, and the 24th iteration of the event. The race was scheduled to be held on Saturday, February 25, 2023, but due to constant rain showers, the race was postponed until Sunday, February 26, in Fontana, California at Auto Club Speedway, a permanent tri-oval shaped superspeedway. The race took the scheduled 150 laps to complete. John Hunter Nemechek, driving for Joe Gibbs Racing, dominated the final stages of the race, and earned his third career NASCAR Xfinity Series win, along with his first of the season. To fill out the podium, Sam Mayer, driving for JR Motorsports, and Justin Allgaier, also driivng for JR Motorsports, would finish 2nd and 3rd, respectively. This was also the final Xfinity Series race to be held on the 2.0 mile version of Auto Club Speedway, as the track will be renovated into a 0.5 mile short track in 2023. Background Auto Club Speedway (formerly California Speedway) is a , low-banked, D-shaped oval superspeedway in Fontana, California which has hosted NASCAR racing annually since 1997. It is also used for open wheel racing events. The racetrack is located near the former locations of Ontario Motor Speedway and Riverside International Raceway. The track is owned and operated by International Speedway Corporation and is the only track owned by ISC to have naming rights sold. The speedway is served by the nearby Interstate 10 and Interstate 15 freeways as well as a Metrolink station located behind the backstretch. Entry list (R) denotes rookie driver. (i) denotes driver who is ineligible for series driver points. Starting lineup Practice and qualifying were scheduled to be held on Saturday, February 25, at 9:05 AM PST, and 9:35 AM PST, but were both cancelled due to constant rain showers. The starting lineup would be determined by a performance-based metric system. As a result, Austin Hill, driving for Richard Childress Racing, would earn the pole. Garrett Smithley and Ryan Vargas would fail to qualify. Race results Stage 1 Laps: 35 Stage 2 Laps: 35 Stage 3 Laps: 80 Standings after theace Drivers' Championship standings Note: Only the first 12 positions are included for the driver standings. References NASCAR races at Auto Club Speedway 2023 Production Alliance Group 300 2023 in sports in California