#54-Darrell Wallace, Jr. was quickest during happy hour for the Rhino Linings 350 with a speed of 174.814. mph. He was followed by #77-German Quiroga, #17-Timothy Peters, #31-Ben Kennedy, #7-Brian Ickler, #88-Matt Crafton, #29-Ryan Blaney, #23-Spencer Gallagher, #21-Joey Coulter, and #8-Joe Nemechek. 28 drivers practiced during the session. See complete results on the Las Vegas practice 2 speeds page (pdf).
