1973 USAC Championship Car season Schedule and results Schedule and results

| Rnd | Date_ | Race_Name | Length_ | Track | Location_ | Pole_Position | Winning_Driver |
|---|---|---|---|---|---|---|---|
| 1 | April 7 | Texas 200 | mi (km) | Texas World Speedway | College Station , Texas | Bobby Unser | Al Unser |
| 2 | April 15 | Trentonian 300 Heat 1 | mi (km) | Trenton International Speedway | Trenton , New Jersey | Gordon Johncock | A. J. Foyt |
| 3 | April 15 | Trentonian 300 Heat 2 | mi (km) | Trenton International Speedway | Trenton , New Jersey | A. J. Foyt | Mario Andretti |
| 4 | May 30 | International 500 Mile Sweepstakes | mi (km) | Indianapolis Motor Speedway | Speedway , Indiana | Johnny Rutherford | Gordon Johncock |
| 5 | June 10 | Rex Mays Classic | mi (km) | Wisconsin State Fair Park Speedway | West Allis , Wisconsin | Bobby Unser | Bobby Unser |