Who won the NASCAR Xfinity Series race at Las Vegas? Justin Allgaier is the winner, plus full NASCAR Xfinity Series results ...

Sammy Smith started on the pole for the first time in his five races at Las Vegas Motor Speedway, but Justin Allgaier quickly ...

Allgaier fell short at Phoenix after leading the most laps; this week, he redeemed himself at a track he's finished second on ...

Justin Allgaier secured his first Xfinity Series victory at the Las Vegas Motor Speedway, holding off Aric Almirola to take ...

Justin Allgaier secured his first Xfinity Series victory at the Las Vegas Motor Speedway, holding off Aric Almirola to take ...

X (Twitter) users responded Saturday to NASCAR Xfinity Series driver Justin Allgaier claiming The LiUNA! at Las Vegas Motor ...

A week after a heartbreaking loss on what was a dominating performance at Phoenix Raceway, Justin Allgaier returned with avengence in Saturday's NASCAR Xfinity ...

A week after Justin Allgaier lost in heartbreaking fashion at Phoenix Raceway, the defending Xfinity Series champion held off ...

Entering Saturday's The LiUNA!, Justin Allgaier drew the top odds to earn the NASCAR Xfinity Series championship, per ...

After Allgaier took the lead on Lap 152, he opened an advantage of more than two seconds over Almirola, who spent the next 40 ...

Rev up those engines — a new NASCAR Xfinity Series season has arrived. The Xfinity Series is considered NASCAR's second-tier circuit behind the Cup Series. The regular season will run from ...

Justin Allgaier secured a spot in the Daytona 500 ... who founded JR Motorsports in 2005 and has been running in the NASCAR Xfinity Series since 2006. "I owe Michael a kiss," Allgaier said ...