Justin Allgaier, Justin Haley Pace Xfinity Practices at Las Vegas
The NASCAR Xfinity Series held two practice sessions on Friday afternoon (March 1) to open the weekend at Las Vegas Motor Speedway ahead of Saturday’s Boyd Gaming 300. Justin Allgaier was quickest in the opening session with a speed of 178.737 mph. Monster Energy NASCAR Cup Series star Kyle Busch was second, followed by Tyler …