California 500
Ontario Motor Speedway
2.5 Mile Paved Oval
200 Laps/500 Miles
September 6, 1970
| Finish | Start | Driver | Car # | Sponsor/Name | Chassis | Engine | Laps | Status |
Points |
| 1 | 18 | Jim McElreath | 14 | Sheraton-Thompson | Coyote | Ford TC | 200 | 3:07:22.55 160.106 | 1,000 |
| 2 | 32 | Art Pollard | 64 | Quickick | Scorpion | Ford TC | 200 | Finished | 800 |
| 3 | 27 | Dick Simon | 44 | Racing International | Vollstedt | Ford TC | 200 | Finished | 700 |
| 4 | 11 | Gordon Johncock | 5 | Gilmore Broadcasting | McLaren | Offy TC | 200 | Finished | 600 |
| 5 | 10 | Peter Revson | 75 | Team McLaren | McLaren | Offy TC | 200 | Finished | 500 |
| 6 | 20 | Mel Kenyon | 6 | Sprite | Eagle | Ford TC | 198 | Finished | 400 |
| 7 | 30 | Greg Weld | 41 | Grant King | King | Offy TC | 195 | Flagged | 300 |
| 8 | 9 | Lee Roy Yarbrough | 32 | Norris Industries | Brabham | Offy TC | 191 | Blown engine | 250 |
| 9 | 4 | Al Unser | 2 | Johnny Lightning 500 | Colt | Ford TC | 186 | Transmission | 200 |
| 10 | 8 | Mario Andretti | 1 | STP Oil Treatment | McNamara | Ford TC | 182 | Engine | 150 |
| 11 | 16 | Jim Malloy | 31 | Stearns Transi-Tread | Gerhardt | Offy TC | 179 | Flagged | 100 |
| 12 | 31 | Carl Williams | 65 | Travelon Trailer | Gerhardt | Offy TC | 179 | Engine | 50 |
| 13 | 6 | Joe Leonard | 15 | Johnny Lightning 500 | Colt | Ford TC | 168 | Spun out | |
| 14 | 15 | Mike Mosley | 9 | G. C. Murphy | Eagle | Offy TC | 147 | Turbo | |
| 15 | 7 | A. J. Foyt | 7 | Sheraton-Thompson | Coyote | Ford TC | 131 | Wrecked T4 | |
| 16 | 28 | Bruce Walkup | 97 | Wynn's Spitfire | Mongoose | Offy TC | 117 | Overheated | |
| 17 | 17 | Bob Harkey | 99 | Joe Hunt Magneto | Gerhardt | Offy TC | 100 | Burned piston | |
| 18 | 2 | Dan Gurney | 48 | Olsonite | Eagle | Offy TC | 98 | Wrecked | |
| 19 | 5 | Gary Bettenhausen | 16 | Thermo King | Gerhardt | Offy TC | 93 | Burned piston | |
| 20 | 29 | George Follmer | 20 | STP Gas Treatment | Brawner Hawk | Ford TC | 76 | Broken oil tank | |
| 21 | 21 | Jerry Grant | 89 | Nelson Ironworks | Eagle | Offy TC | 63 | Ignition | |
| 22 | 12 | Bobby Unser | 3 | Wagner-Lockheed | Eagle | Ford TC | 45 | Dropped valve | |
| 23 | 1 | Lloyd Ruby | 25 | Daniels Cablevision | Laycock | Offy TC | 42 | Engine | |
| 24 | 26 | Bud Tingelstad | 92 | Sugaripe Prune | Brabham | Offy TC | 40 | Broken pinion gear | |
| 25 | 24 | Roger McCluskey | 11 | Quickick | Scorpion | Ford TC | 26 | Dropped valve | |
| 26 | 22 | Kevin Bartlett | 12 | Daniels Cablevision | Laycock | Ford TC | 16 | Burned piston | |
| 27 | 23 | Swede Savage | 42 | Olsonite | Eagle | Ford | 13 | Ignition | |
| 28 | 14 | Wally Dallenbach | 22 | Sprite | Eagle | Offy TC | 10 | Blown piston | |
| 29 | 19 | Steve Krisiloff | 86 | Wagner-Lockhhed | Eagle | Offy TC | 8 | Magneto | |
| 30 | 13 | Mark Donohue | 66 | Sunoco | Lola | Ford TC | 7 | Blown piston | |
| 31 | 3 | Johnny Rutherford | 18 | Patrick Petroleum | Eagle | Offy TC | 5 | Burned piston | |
| 32 | 33 | Jim Hurtubise | 56 | Genesee Beer | Mallard FE | Offy TC | 1 | Wrecked T3 | |
| 33 | 25 | Rick Muther | 38 | Two Jacks | Brawner Hawk | Offy TC | 1 | Dropped valve | |
| -- | -- | Larry Dickson | 17 | Lombard | Vollstedt | Ford TC | -- | Did not qualify | |
| -- | -- | Larry Dickson | 21 | Lombard | Vollstedt | Ford TC | -- | Did not qualify | |
| -- | -- | Larry Dickson | 67 | Jim Robbins | Vollstedt | Ford TC | -- | Did not qualify | |
| -- | -- | Billy Vukovich, Jr. | 78 | Thermo King | Gerhardt | Offy TC | -- | Did not qualify | |
| -- | -- | Bill Puterbaugh | 98 | Wynn's | Wolverine | Offy TC | -- | Wrecked practice | |
| -- | -- | Bruce Walkup | 98 | Wynn's | Wolverine | Offy TC | -- | Wrecked practice | |
| -- | -- | Bill Simpson | 96 | Eisert | Eisert | Chevy TC | -- | Did not qualify | |
| -- | -- | George Snider | 90 | G. C. Murphy | Watson | Offy TC | -- | Did not qualify | |
| -- | -- | Jigger Sirois | 94 | Sugaripe Prune | Brabham | Offy TC | -- | Wrecked practice | |
| -- | -- | Sam Sessions | 74 | Caves Buick | Gerhardt | Offy TC | -- | Did not qualify | |
| -- | -- | John Cannon | 17 | Lombard | Vollstedt | Ford TC | -- | Driven by Dickson | |
| -- | -- | Al Loquasto | 26 | Indy-On-A-Shoestring | Gerhardt | Offy TC | -- | Did not appear | |
| -- | -- | Lee Roy Yarbrough | 27 | Jim Robbins | Vollstedt | Ford TC | -- | Did not appear | |
| -- | -- | Bill Simpson | 28 | Carborundum | X | Chevy TC | -- | Did not appear | |
| -- | -- | Ronnie Bucknum | 29 | MVS | Cecil | Ford TC | -- | Did not appear | |
| -- | -- | Denny Zimmerman | 50 | Navarro Engineering | Watson | Rambler TC | -- | Drove #88 instead | |
| -- | -- | Keith Rachwitz | 81 | Troutman | X | Ford | -- | Did not appear | |
| -- | -- | Kevin Bartlett | 96 | Eisert | Eisert | Chevy TC | -- | Driven by Simpson | |
| -- | -- | Bob DeJong | 43 | Fiore Racing | Vollstedt | Offy TC | -- | Entry declined, lack of experience | |
| -- | -- | Les Scott | 50 | Navarro Engineering | Watson | Rambler TC | -- | Did not qualify | |
| -- | -- | Jack Brabham | 32 | Norris Industries | Brabham | Offy TC | -- | Withdrew, driven by Yarbrough | |
| -- | -- | Lloyd Ruby | 12 | Daniels Cablevision | Laycock | Ford TC | -- | Did not qualify | |
| -- | -- | Denny Zimmerman | 88 | Maxson & Jeffries | X | Offy TC | -- | Did not pass refresher test | |
| -- | -- | Swede Savage | 67 | Jim Robbins | Vollstedt | Ford TC | -- | Drove #42 instead | |
| -- | -- | Bill Puterbaugh | 43 | Fiore Racing | Vollstedt | Offy TC | -- | Did not qualify | |
| -- | -- | Sam Sessions | 88 | Maxson & Jeffries | X | Offy TC | -- | Did not qualify | |
| -- | -- | Billy Vukovich, Jr. | 45 | X | X | X | -- | Did not qualify |
| Lap Leaders | Total | Laps |
| Al Unser | 166 | 2, 9-46, 52-138, 147-186 |
| Peter Revson | 8 | 139-146 |
| Lloyd Ruby | 7 | 1, 3-8 |
| Dan Gurney | 5 | 47-51 |
| Lee Roy Yarbrough | 5 | 187-191 |
| Jim McElreath | 5 | 196-200 |
| Art Pollard | 4 | 192-195 |