1973 USAC season
The USAC 1973 season began on April 7th at Texas World Speedway and ended on November 3rd in Phoenix . Roger McCluskey secured the title.
Race results
| date | run | miles | winner | Winning team | ||
| 1 | 7th of April |
 Texas World Speedway
|
200 |
Al our
|
Parnelli - Offenhauser | |
| 2 | 7th of April |
Trenton
|
150 | Run 1 |
AJ Foyt
|
Coyote - Foyt |
| 3 | 150 | Run 2 |
Mario Andretti
|
Parnelli-Offenhauser | ||
| 4th | 30th May |
Indianapolis
|
332.5 |
Gordon Johncock
|
Eagle -Offenhauser | |
| 5 | June 10th |
Milwaukee
|
150 |
Bobby Unser
|
Eagle Offenhauser | |
| 6th | July 1 |
Pocono
|
500 |
AJ Foyt
|
Coyote-Foyt | |
| 7th | 15th of July |
Brooklyn
|
200 |
Roger McCluskey
|
McLaren -Offenhauser | |
| 8th | 12. August |
Milwaukee
|
200 |
Wally Dallenbach
|
Eagle Offenhauser | |
| 9 | 26th of August |
Ontario
|
100 | Run 1 |
Wally Dallenbach
|
Eagle Offenhauser |
| 10 | 100 | Run 2 |
Johnny Rutherford
|
McLaren Offenhauser | ||
| 11 | September 2nd |
Ontario
|
500 |
Wally Dallenbach
|
Eagle Offenhauser | |
| 12 | 16th September |
Brooklyn
|
126 | Run 1 |
Bill Vukovich Jr.
|
Eagle Offenhauser |
| 13 | 126 | Run 2 |
Johnny Rutherford
|
McLaren Offenhauser | ||
| 14th | September 23rd |
Trenton
|
201 |
Gordon Johncock
|
Eagle Offenhauser | |
| 15th | October 6th |
Texas World Speedway
|
200 |
Gary Bettenhausen
|
McLaren Offenhauser | |
| 16 | November 3rd |
Phoenix
|
150 |
Gordon Johncock
|
Eagle Offenhauser | |
Driver Championship (Top 10)
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