Jimmie Johnson led the first and only practice session from start to finish during a windy Friday morning at Auto Club Speedway.
— Ally Racing (@allyracing) March 15, 2019
Six-time Auto Club winner Johnson led the session with a time of 40.137, (179.386 mph). Austin Dillon, Chris Buescher were second and third, respectively, with Kyle Busch, and Denny Hamlin rounding out the top five.
Ryan Newman and Ricky Stenhouse Jr. went out in a two-car draft.
Newman was the first car, breaking the air. His lap was 174.854 mph
Stenhouse was in Newman's draft. Stenhouse's lap was 176.021 mph.
— Dustin Long (@dustinlong) March 15, 2019
All 38 of the entered teams ran laps in the final session, and no drivers ran more than 10 consecutive laps.
The Monster Energy NASCAR Cup Series teams are done for the day practicing but they will be fighting for the top spot in qualifying Friday afternoon at 5:40 p.m. ET on FS1.