#4-Erik Jones was fastest in the one and only practice for the American Ethanol 200 at Iowa Speedway with a speed of 136.051mph. He was followed by ##51-Christopher Bell, #8-John Hunter Nemechek, #23-Spencer Gallagher, #13-Cameron Hayley, #88-Matt Crafton, #75-Caleb Holman, #54-Justin Boston, #00-Cole Custer, and #19-Tyler Reddick. All entered 32 drivers practiced during the session. See complete results on the Iowa practice 2 speeds page (pdf).(6-19-2015)
