#21-Joey Coulter was fastest during the first practice at Las Vegas Motor Speedway with a speed of 174.825 mph. #51-Erik Jones was second, followed by ##77-German Quiroga, #54-Darrell Wallace, Jr., #7-Brian Ickler, #88-Matt Crafton, #17-Timothy Peters, #98-Johnny Sauter, #23-Spencer Gallagher, and #31-Ben Kennedy. 28 drivers practiced during the session. See complete results on the Las Vegas practice 1 speeds page (pdf).
