#42-Tyle Reddick was fastest during opening practice at Homestead with a speed of 165.598mph.
The rest of the top 10: #2-Ben Kennedy, #00-Cole Custer, #20-Christopher Bell, #9-William Byron, #22-Sam Hornish, Jr., #18-Ryan Preece, #48-Brennan Poole, #4-Ross Chastain, and #11-Blake Koch.
The 4 Championship drivers were: #9-William Byron 5th, #1-Elliott Sadler 15th, #7-Justin Allgaier 17th, #21-Daniel Hemric 21st.
42 drivers practiced during the session.
See complete results on the Homestead practice 1 speeds page (pdf).
