RICHMOND, Va. - Chris Buescher posted the fastest lap in the opening Cup practice Friday at Richmond Raceway.
Buescher led the way with a lap of 121.146 mph. He was followed by Joey Logano (120.962 mph), William Byron (120.826), Kyle Busch (120.686) and Kyle Larson (120.487). Buescher was the only non-playoff driver in the top 10.
Sixth through 10th: Denny Hamlin (120.122 mph), Erik Jones (120.112), Ryan Blaney (120.101), Chase Elliott (119.946) and Ryan Newman (119.914).
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Kyle Busch had the best average over 10 consecutive laps at 119.710 mph. He was followed by Larson (119.674 mph) and Hamlin (119.629).
Austin Dillon ran the most laps in the session at 66. He was 24th on the speed chart with a top lap of 119.200 mph.
Final Cup practice will be from 1:35-2:25 p.m. ET on NBCSN. Qualifying will be at 6:05 p.m. ET on NBCSN.