#13-Cameron Hayley was fastest during opening practice at Michigan International Speedway with a speed of 186.804 mph. #21-Johnny Sauter, #88-Matt Crafton, #11-Brett Moffitt, #41-Ben Rhodes, #29-Tyler Reddick, #51-Cody Coughlin, #9-William Byron, #98-Rico Abreu, and #8-John Hunter Nemechek were the top-10. 31 drivers are entered and all practiced during the session. See complete results on the Michigan practice 1 speeds page (pdf).(8-26-2016)
