# 1975 USAC Championship Car season

The 1975 USAC Championship Car season consisted of 13 races, beginning in Ontario, California on March 2 and concluding in Avondale, Arizona on November 9. The USAC National Champion was A. J. Foyt and the Indianapolis 500 winner was Bobby Unser.

## Schedule and results

All races running on Oval/Speedway.
| Rnd | Date | Race Name | Track | Location | Pole Position | Winning Driver |
| 1A | March 2 | California 500 Qualification Heat 1 | Ontario Motor Speedway | Ontario, California | A. J. Foyt | A. J. Foyt |
| 1B | March 2 | California 500 Qualification Heat 2 | Ontario Motor Speedway | Ontario, California | Bobby Unser | Wally Dallenbach Sr. |
| 2 | March 9 | California 500 | Ontario Motor Speedway | Ontario, California | A. J. Foyt | A. J. Foyt |
| 3 | March 16 | Bricklin 150 | Phoenix International Raceway | Avondale, Arizona | Gordon Johncock | Johnny Rutherford |
| 4 | April 6 | Trenton 200 | Trenton International Speedway | Trenton, New Jersey | Tom Sneva | A. J. Foyt |
| NC | April 27 | World Series of Auto Racing | Trenton International Speedway | Trenton, New Jersey | A. J. Foyt | Johnny Rutherford |
| 5 | May 25 | International 500 Mile Sweepstakes^1 | Indianapolis Motor Speedway | Speedway, Indiana | A. J. Foyt | Bobby Unser |
| 6 | June 8 | Rex Mays Classic | Wisconsin State Fair Park Speedway | West Allis, Wisconsin | A. J. Foyt | A. J. Foyt |
| 7 | June 29 | Schaefer 500 | Pocono International Raceway | Long Pond, Pennsylvania | Gordon Johncock | A. J. Foyt |
| 8 | July 20 | Norton 200 | Michigan International Speedway | Brooklyn, Michigan | A. J. Foyt | A. J. Foyt |
| 9 | August 17 | Tony Bettenhausen 200 | Wisconsin State Fair Park Speedway | West Allis, Wisconsin | Johnny Rutherford | Mike Mosley |
| 10 | September 13 | Michigan Grand Prix | Michigan International Speedway | Brooklyn, Michigan | A. J. Foyt | Tom Sneva |
| 11 | September 21 | Trenton 150 | Trenton International Speedway | Trenton, New Jersey | A. J. Foyt | Gordon Johncock |
| 12 | November 9 | Phoenix 150 | Phoenix International Raceway | Avondale, Arizona | Gordon Johncock | A. J. Foyt |
    ^1 Scheduled for 500 miles, stopped early due to rain.

## Final points standings

Note 1: Bobby Allison and George Follmer are not eligible for points. Note 2: Jerry Grant scored points at Ontario but competed with an FIA license. Note 3: Bentley Warren scored 100 points at Pocono, but forfeited those points due to a rule violation.
| Pos | Driver | ONT Q-H1 | ONT Q-H2 | ONT 500 | PHX1 150 | TRE1 200 | WSE | INDY 500 | MIL1 150 | POC 500 | MIC1 200 | MIL2 200 | MIC2 150 | TRE2 150 | PHX2 150 | Pts |
| 1 | A. J. Foyt | 1 | | 1 | 3 | 1 | 4 | 3 | 1 | 1 | 1 | 20 | 7 | 2 | 1 | 4920 |
| 2 | Johnny Rutherford | | 2 | 17 | 1 | 2 | 1 | 2 | 3 | 6 | 6 | 13 | 2 | 3 | 11 | 2900 |
| 3 | Bobby Unser | | 10 | 2 | | | | 1 | 2 | 22 | 5 | | 3 | | | 2489 |
| 4 | Wally Dallenbach Sr. | | 1 | 10 | 6 | 5 | 3 | 9 | 4 | 2 | 19 | 4 | 16 | 5 | 12 | 2305 |
| 5 | Bill Vukovich II | | 4 | 23 | 4 | | 9 | 6 | 7 | 3 | 3 | 8 | 11 | | 4 | 2080 |
| 6 | Tom Sneva | 9 | | 6 | 7 | 6 | 7 | 22 | | 29 | 2 | 3 | 1 | 13 | 2 | 1830 |
| 7 | Roger McCluskey | 8 | | 13 | DNQ | 7 | 6 | 5 | 8 | 4 | 12 | 19 | 5 | 6 | 18 | 1675 |
| 8 | Steve Krisiloff | | 3 | 3 | 5 | 4 | 5 | 11 | 17 | 28 | 8 | 5 | DNQ | 15 | 20 | 1630 |
| 9 | Pancho Carter | 2 | | 19 | 8 | | | 4 | 6 | 24 | 4 | 14 | 8 | DNQ | 8 | 1345 |
| 10 | Gordon Johncock | 5 | | 15 | 2 | 10 | 2 | 31 | 14 | 20 | 11 | 2 | 6 | 1 | 23 | 1280 |
| 11 | John Martin | 6 | | 5 | 13 | 9 | 8 | 27 | 15 | 7 | 21 | 7 | 18 | 8 | 17 | 1180 |
| 12 | Mike Mosley | 10 | | 11 | 9 | 3 | | 26 | 5 | 31 | 13 | 1 | | | | 1020 |
| 13 | Jimmy Caruthers | | 5 | 21 | DNQ | | | 14 | | 8 | 7 | 6 | 4 | 7 | | 930 |
| 14 | Gary Bettenhausen | 11 | | 14 | 10 | | | | 15 | 9 | 5 | DNS | | | 6 | 745 |
| 15 | Lee Kunzman | 3 | | 4 | | | | DNQ | | 17 | | | | | | 740 |
| 16 | Bill Puterbaugh | | | | | | | 7 | | 9 | | | | | 9 | 560 |
| 17 | Al Unser | 7 | | 26 | | | | 16 | | 32 | | | | 4 | 5 | 450 |
| 18 | George Snider | DNS | | 20 | 18 | | | 8 | | 10 | 22 | | | | | 400 |
| 19 | Al Loquasto | | 15 | 7 | 11 | DNQ | | DNQ | | 12 | 14 | | 17 | 14 | 16 | 380 |
| 20 | Eldon Rasmussen | | 7 | 9 | | | | 24 | | 19 | | 16 | 12 | | 21 | 275 |
| 21 | Salt Walther | | 12 | 8 | 17 | 13 | | 33 | DNP | 33 | DNQ | | 22 | 18 | | 260 |
| 22 | Dick Simon | | 13 | 24 | 14 | 8 | 11 | 21 | 13 | 23 | 9 | 17 | 15 | 11 | 13 | 220 |
| 23 | Mario Andretti | | | 28 | | | | 28 | | 25 | | | | | 3 | 210 |
| 24 | Spike Gehlhausen RY | | | | | | | | 10 | | 10 | 15 | 19 | 10 | 14 | 165 |
| 25 | Billy Scott | 4 | | 29 | | | | DNQ | | | | | | | | 120 |
| 26 | Tom Bigelow | | 11 | 16 | | | | 18 | 12 | 21 | 16 | 9 | | | 19 | 115 |
| 27 | Johnny Parsons | DNS | | 25 | 12 | 12 | 10 | 19 | 20 | 26 | 15 | 21 | 13 | 9 | | 115 |
| 28 | John Hubbard | | | | | 14 | | Wth | 21 | | | 10 | 10 | 16 | DNQ | 105 |
| 29 | Larry Cannon | | | | | | | DNQ | | | | 12 | 9 | 12 | | 100 |
| 30 | Jim McElreath | | | 18 | | DNS | 12 | | | | | | | | 7 | 90 |
| 31 | Tom Frantz R | | | | 19 | | | | 11 | | | 11 | 14 | 17 | 24 | 70 |
| 32 | Sheldon Kinser R | | | | | | | 12 | | 15 | | | | | | 50 |
| 33 | Lloyd Ruby | | | | | | | 32 | | | | | | | 10 | 45 |
| 34 | Jerry Karl | | 9 | 33 | | | | 13 | | 16 | | | | | | 40 |
| 35 | Billy Cassella R | | | | | 11 | | | | | | | | | | 40 |
| 36 | Bob Harkey | | DNS | 30 | 16 | | | 10 | | 30 | | | 21 | | 15 | 14 |
| - | Bobby Allison | | 6 | 32 | | | | 25 | | 27 | 17 | | | | | 0 |
| - | George Follmer | | 8 | DNQ | | | | Wth | | | | | | | | 0 |
| - | Bentley Warren | | | | | | | 23 | | 11 | | | | | | 0 |
| - | Jerry Grant | | 16 | 12 | | | | 20 | | 14 | 18 | | | | DNS | 0 |
| - | Rick Muther | | | 27 | | | | DNQ | | 13 | | | | | | 0 |
| - | Lee Brayton | | 14 | 22 | | | | | | | | | | | | 0 |
| - | Chuck Gurney R | | | | 15 | 15 | | Wth | 18 | | | | | | | 0 |
| - | Mel Cornett | | | | | | | | 16 | | | | | | | 0 |
| - | Sam Sessions | | | | | | | 17 | | | | | | | | 0 |
| - | Larry McCoy | | | 31 | | | | 30 | | 18 | 20 | | 20 | DNP | | 0 |
| - | Ed Finley R | | | | | | | | | | | 18 | | | | 0 |
| - | Benny Rapp | | | | | | | | 19 | | | | | | | 0 |
| - | Frank Weiss R | | | | | | | | 22 | | | | | | | 0 |
| - | Larry Dickson | | | | | | | | | | | | | | 22 | 0 |
| - | Mike Hiss | | | | | | | | 29 | | | | | | | 0 |
| - | Bill Simpson | | | DNS | | | | Wth | | | | | | | | 0 |
| - | Dan Murphy | | DNP | | | | | Wth | | | | | | | | 0 |
| - | Jim Hurtubise | | | | | | | DNQ | | | | | | | | 0 |
| - | Graham McRae | | | | | | | DNQ | | | | | | | | 0 |
| - | Bob Nagel | | | | | | | Wth | | | | | | | | 0 |
| - | Jan Opperman | | | | | | | DNQ | | | | | | | | 0 |
| - | Jigger Sirois | | | | | | | Wth | | | | | | | | 0 |
| - | Jerry Sneva | | | | | | | Wth | | | | | | | | 0 |
| - | Ken Nichols | | | | | | | | | | | | | | DNQ | 0 |
| - | Jack Owens | | | | | | | | | | | | | | DNQ | 0 |
| - | John Cannon | | DNP | | | | | | | | | | | | | 0 |
| - | Michel Jourdain Sr. | | DNP | | | | | | | | | | | | | 0 |
| - | Joe Leonard | | DNP | | | | | | | | | | | | | 0 |
| - | Steve Chassey | | | | | | | | | | | DNP | | | | 0 |
| Pos | Driver | ONT Q-H1 | ONT Q-H2 | ONT 500 | PHX1 150 | TRE1 200 | WSE | INDY 500 | MIL1 150 | POC 500 | MIC1 200 | MIL2 200 | MIC2 150 | TRE2 150 | PHX2 150 | Pts |
| Color | Result |
| Gold | Winner |
| Silver | 2nd place |
| Bronze | 3rd place |
| Green | 4th & 5th place |
| Light Blue | 6th-10th place |
| Dark Blue | Finished (Outside Top 10) |
| Purple | Did not finish (Ret) |
| Red | Did not qualify (DNQ) |
| Brown | Withdrawn (Wth) |
| Black | Disqualified (DSQ) |
| White | Did not start (DNS) |
| Blank | Did not participate (DNP) |
| Blank | Not competing |
In-line notation :
| Bold | Pole position |
| Italics | Ran fastest race lap |
| * | Led most race laps |
| RY Rookie of the Year ||
| R Rookie ||