The track is tri-oval in shape., designed after Michigan speedway. Built on the site of the old Kaiser Steel plant. Turns banked at 14 degrees, Tri-oval banked at 11 degrees, backstretch banked at 3 degrees.
| Date | Race | Winner | Pole | Laps | Ctn | LC | Margin | Data |
|---|---|---|---|---|---|---|---|---|
| 2023 Feb 26 | Pala Casino 400 | 8Kyle Busch | 20Christopher Bell | 200 | 8 | 28 | 2.998s | LAPSPITSLOOP |
| 2022 Feb 27 | Wise Power 400 | 5Kyle Larson | 2 |
| 200 |
| 12 |
| 32 |
| 0.195s |
| LAPSPITSLOOP |
| 2020 Mar 1 | Auto Club 400 | 88Alex Bowman | 14Clint Bowyer | 200 | 3 | 16 | 8.904s | LAPSPITSLOOP |
| 2019 Mar 17 | Auto Club 400 | 18Kyle Busch | 3Austin Dillon | 200 | 4 | 18 | 2.354s | LAPSPITSLOOP |
| 2018 Mar 18 | Auto Club 400 | 78Martin Truex Jr. | 78Martin Truex Jr. | 200 | 5 | 16 | 11.685s | LAPSPITSLOOP |
| 2017 — | Auto Club 400 | 42Kyle Larson | 42Kyle Larson | 202 | — | — | — | LAPSPITSLOOP |
| 2016 — | Auto Club 400 | 48Jimmie Johnson | 3Austin Dillon | 205 | — | — | — | LAPSPITSLOOP |
| 2015 — | Auto Club 400 | 2Brad Keselowski | 41Kurt Busch | 209 | — | — | — | LAPSPITSLOOP |
| 2014 — | Auto Club 400 | 18Kyle Busch | 20Matt Kenseth | 206 | — | — | — | LAPSPITSLOOP |
| 2013 — | Auto Club 400 | 18Kyle Busch | 11Denny Hamlin | 200 | — | — | — | LAPSPITSLOOP |
| 2012 — | Auto Club 400 | 14Tony Stewart | 11Denny Hamlin | 129 | — | — | — | LAPSPITSLOOP |
| 2011 — | Auto Club 400 | 29Kevin Harvick | 42Juan Pablo Montoya | 200 | — | — | — | LAPSPITSLOOP |
| 2010 — | Pepsi Max 400 | 14Tony Stewart | 1Jamie McMurray | 200 | — | — | — | LAPSPITSLOOP |
| 2010 — | Auto Club 500 | 48Jimmie Johnson | 1Jamie McMurray | 250 | — | — | — | LAPSPITSLOOP |
| 2009 — | Pepsi 500 | 48Jimmie Johnson | 11Denny Hamlin | 250 | — | — | — | LAPSPITSLOOP |
| 2009 — | Auto Club 500 | 17Matt Kenseth | 83Brian Vickers | 250 | — | — | — | LAPSPITSLOOP |
| 2008 — | Pepsi 500 | 48Jimmie Johnson | 48Jimmie Johnson | 250 | — | — | — | LAPSPITSLOOP |
| 2008 — | Auto Club 500 | 99Carl Edwards | 48Jimmie Johnson | 250 | — | — | — | LAPSPITSLOOP |
| 2007 — | Sharp AQUOS 500 | 48Jimmie Johnson | 2Kurt Busch | 250 | — | — | — | LAPSPITSLOOP |
| 2007 — | Auto Club 500 | 17Matt Kenseth | 24Jeff Gordon | 250 | — | — | — | LAPSPITSLOOP |
| 2006 — | Sony HD 500 | 9Kasey Kahne | 2Kurt Busch | 250 | — | — | — | LAPSPITSLOOP |
| 2006 — | Auto Club 500 | 17Matt Kenseth | 2Kurt Busch | 251 | — | — | — | LAPSPITSLOOP |
| 2005 — | Sony HD 500 | 5Kyle Busch | 99Carl Edwards | 254 | — | — | — | LAPSPITSLOOP |
| 2005 — | Auto Club 500 | 16Greg Biffle | 5Kyle Busch | 250 | — | — | — | LAPSPITSLOOP |
| 2004 — | Pop Secret 500 | 38Elliott Sadler | 25Brian Vickers | 250 | — | — | — | LAPSPITSLOOP |
| 2004 — | Auto Club 500 | 24Jeff Gordon | 9Kasey Kahne | 250 | — | — | — | LAPSPITSLOOP |
| 2003 — | Auto Club 500 | 97Kurt Busch | 1Steve Park | 250 | — | — | — | LAPSPITSLOOP |
| 2002 — | NAPA Auto Parts 500 | 48Jimmie Johnson | 12Ryan Newman | 250 | — | — | — | LAPSPITSLOOP |
| 2001 — | NAPA Auto Parts 500 | 2Rusty Wallace | 18Bobby Labonte | 250 | — | — | — | LAPSPITSLOOP |
| 2000 — | NAPA Auto Parts 500 | 12Jeremy Mayfield | 31Mike Skinner | 250 | — | — | — | LAPSPITSLOOP |
| 1999 — | California 500 presented by NAPA | 24Jeff Gordon | 99Jeff Burton | 250 | — | — | — | LAPSPITSLOOP |
| 1998 — | California 500 presented by NAPA | 6Mark Martin | 24Jeff Gordon | 250 | — | — | — | LAPSPITSLOOP |
| 1997 — | California 500 | 24Jeff Gordon | 42Joe Nemechek | 250 | — | — | — | LAPSPITSLOOP |
| Season | Winner | Winner avg | Pace rk | % off best | Fire rk | Long rk | Fastest car | Field avg |
|---|---|---|---|---|---|---|---|---|
| 2023 | 8Kyle Busch | 42.579 | P2 | 0.08% | 1 | 4 | 1Ross Chastain42.545 | 43.117 |
| 2022 | 5Kyle Larson | 43.155 | P5 | 0.28% | 3 | 5 |
| 43.893 |
| 2020 | 88Alex Bowman | 41.721 | P1 | 0.00% | 1 | 2 | 88Alex Bowman41.721 | 42.611 |
