2020 Auto Club 400

Background Auto Club Speedway (previously California Speedway) was a , low-banked, D-shaped oval superspeedway in Fontana, California which hosted NASCAR racing annually from 1997 to 2023. It was also used for open wheel racing events. The racetrack was located near the former locations of Ontario Motor Speedway and Riverside International Raceway. The track was owned and operated by International Speedway Corporation and was the only track owned by ISC to have its naming rights sold. The speedway was served by the nearby Interstate 10 and Interstate 15 freeways as well as a Metrolink station located behind the backstretch. Entry list • (R) denotes rookie driver. • (i) denotes driver who are ineligible for series driver points. ==Practice==

First practice Alex Bowman was the fastest in the first practice session with a time of 40.125 seconds and a speed of . Final practice Alex Bowman was the fastest in the final practice session with a time of 40.764 seconds and a speed of . ==Qualifying==

scored the pole position. Clint Bowyer scored the pole for the race with a time of 40.086 and a speed of . Qualifying results ==Race==

won the race. Stage Results Stage One Laps: 60 Stage Two Laps: 60 Final Stage Results Stage Three Laps: 80 Race statistics • Lead changes: 16 among 8 different drivers • Cautions/Laps: 3 for 13 • Red flags: 0 • Time of race: 2 hours, 37 minutes and 7 seconds • Average speed: ==Media==

Television The race was the 20th race Fox Sports covered at the Auto Club Speedway. Mike Joy and three-time Auto Club winner Jeff Gordon called the race in the booth for Fox. Jamie Little, Regan Smith, Vince Welch and Matt Yocum handled the pit road duties for the television side. Larry McReynolds and Jamie McMurray provided insight from the Fox Sports studio in Charlotte. Radio MRN had the radio call for the race, which was also simulcast on Sirius XM NASCAR Radio. Alex Hayden, Jeff Striegle and 2001 race winner Rusty Wallace called the race from the booth when the field raced their way down the front stretch. Dan Hubbard called the race from a billboard outside turn 2 when the field raced their way through turns 1 and 2 & Kyle Rickey called the race from a billboard outside turn 3 when the field raced their way through turns 3 and 4. Kim Coon, Steve Post and Dillon Welch had the pit road duties for MRN. ==Standings after the race==

;Drivers' Championship standings ;Manufacturers' Championship standings • Note: Only the first 16 positions are included for the driver standings. ==References==