#51-Erik Jones was fastest during the opening practice at Eldora Speedway with a speed of 90.749mph. #35-Mason Mingus was second, followed by #88-Matt Crafton, #19-Tyler Reddick, #32-Kyle Larson, #77-German Quiroga, #54-Darrell Wallace, Jr., #17-Timothy Peters, #9-Chase Pistone, and #98-Johnny Sauter. 32 drivers practiced during the session. See complete results on the Eldora practice 1 speeds page (pdf).
