#21- Johnny Sauter was fastest during the opening practice for Saturday’s Camping World Truck Series race at Las Vegas Motor Speedway with a speed of 179.468mph.#16-Ryan Truex was second, followed by #88-Matt Crafton, #18-Noah Gragson, #52-Stewart Friesen, #29-Chase Briscoe, #19-Austin Cindric, #4-Christopher Bell, #24-Justin Haley, #33-Kaz Grala. 20 drivers practiced during the session. See complete results on the Practice 1 speeds (pdf)
