The 2018 Boyd Gaming 300 was the 3rd stock car race of the 2018 NASCAR Xfinity Series season, and the 22nd iteration of the event. The race was held on Saturday, March 3, 2018 in North Las Vegas, Nevada at Las Vegas Motor Speedway, a 1.5 miles (2.4 km) permanent D-shaped oval racetrack. The race took the scheduled 200 laps to complete. At race's end, Kyle Larson of Chip Ganassi Racing would dominate and hold off the field on the final restart with 6 to go to win the race, the 9th NASCAR Xfinity Series win of his career and the 1st of his part-time season. To fill out the podium, Christopher Bell for Joe Gibbs Racing and Justin Allgaier of JR Motorsports would finish second and third, respectively.