1973 USAC Championship Car season Schedule and results Schedule and results

| Rnd | Date_ | Race_Name | Length_ | Track | Location_ | Pole_Position | Winning_Driver |
|---|---|---|---|---|---|---|---|
| 6 | July 1 | Schaefer 500 | mi (km) | Pocono International Raceway | Long Pond , Pennsylvania | Peter Revson | A. J. Foyt |
| 7 | July 15 | Michigan 200 | mi (km) | Michigan International Speedway | Brooklyn , Michigan | Bobby Unser | Roger McCluskey |
| 8 | August 12 | Tony Bettenhausen 200 | mi (km) | Wisconsin State Fair Park Speedway | West Allis , Wisconsin | Wally Dallenbach | Wally Dallenbach |
| 9 | August 26 | California 500 Qualification Heat 1 | mi (km) | Ontario Motor Speedway | Ontario , California | Gordon Johncock | Wally Dallenbach |
| 10 | August 26 | California 500 Qualification Heat 2 | mi (km) | Ontario Motor Speedway | Ontario , California | Johnny Rutherford | Johnny Rutherford |
| 11 | September 2 | California 500 | mi (km) | Ontario Motor Speedway | Ontario , California | Peter Revson | Wally Dallenbach |