#18-Noah gragson was fastest during the opening practice for Friday’s Camping World Truck Series race at Dover International Speedway at 156.209mph. #27-Ben Rhodes, #19-Austin Cindric, #88-Matt Crafton, #13-Cody Coughlin, #29-Chase Briscoe, #75-Parker Kligerman, #4-Christopher Bell, #46-Todd Gilliland, and #21-Johnny Sauter were the remainder of the top-10. 24 drivers practiced during the session. See complete results on the Practice 1 speeds (pdf)
