Chase Elliott jumped to the top of the leaderboard in the final three minutes of the first practice session for the Toyota Owners 400 at Richmond Raceway with a speed of 121.327 mph.
Kyle Larson landed second on the speed chart with a lap of 121.076 mph.
Making his Cup debut, Daniel Hemric posted the 23rd fastest time of 119.121 mph.
Kevin Harvick had the quickest, 10-lap average of 119.652 mph.
Elliott was second quick at 119.516 mph
Alex Bowman posted the most laps in this practice session at 67. His fastest lap was 119.830 mph, which put him 15th on the leaderboard.
Qualification takes place at 5:30 p.m. ET.