After not winning in the regular season, A.J. Allmendinger becomes the first to lock into the championship battle at Phoenix.

Justin Allgaier Left Questioning His Strategy after AJ Allmendinger's Vegas win, highlighting tactical challenges and the need for adjustments in the championship race.

AJ Allmendinger Wins Ambetter Health 302, securing his 18th Xfinity victory and a spot in the final four championship ...

AJ Allmendinger won a two-lap sprint to finish Saturday night for his first victory of the season and an automatic berth in ...

Despite a consistent 2024 NASCAR Xfinity Series campaign, A.J. Allmendinger was missing the same championship-caliber speed ...

The 42-year-old Allmendinger from Los Gatos, California, led a race-high 102 of 201-scheduled laps and became the first ...

After dominating for much of the evening, AJ Allmendinger held off Ryan Sieg in a two-lap shootout to score his first victory ...

Average Speed of Race Winner: 127.218 mph. Time of Race: 2 hours, 22 minutes, 12 seconds. Margin of Victory: 0.156 seconds. Caution Flags: 7 for 31 laps. Lead Changes: 13 among 9 drivers.

Justin Allgaier and Chandler Smith each scored top fives in Saturday's NASCAR Xfinity Series Playoffs race at Las Vegas ...

AJ Allmendinger held off Ryan Sieg, who was in search of his first career win, to take the victory in Saturday night's NASCAR ...

“This is the toughest one,” Sieg said on pit road. “ [That first win] is coming. Just got to clean up a few things.” ...