#5-Brad Sweet was fastest during opening practice at Daytona International Speedway with a speed of 192.769mph.#7-Regan Smith was second, followed by: #77-Parker Kligerman, #3-Austin Dillon, #60-Travis Pastrana, #6-Trevor Bayne, #32-Kyle Larson, #31-Justin Allgaier, #1-Kurt Busch, and #33-Ty Dillon. All 42 drivers practiced during the session. See complete results on the Daytona practice 1 speeds page (pdf) .
