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

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

Reigning champion Justin Allgaier withstood a challenge from Aric Almirola to win Saturday's NASCAR Xfinity race at Las Vegas Motor Speedway. It is the first win of the season for Allgaier and his first in the Xfinity Series at the track.