| | Heat | Dash | B Feature | A Feature |
|---|
|
|---|
| 3/25/1973 | Reading Fairgrounds - Reading, PA 410 Sprints - Non-Winged: USAC National Sprint Cars 305 Sprints - Non-Winged | Results | | Gary Bettenhausen (305 Sprints - Non-Winged) | - | - | - | 16th |
|
| 4/1/1973 | Eldora Speedway - Rossburg, OH 410 Sprints - Non-Winged: USAC National Sprint Cars 305 Sprints - Non-Winged | Results | | Gary Bettenhausen (305 Sprints - Non-Winged) | - | - | - | 14th |
|
| 6/3/1973 | Knoxville Raceway - Knoxville, IA 410 Sprints - Non-Winged: USAC National Sprint Cars 305 Sprints - Non-Winged | Results | | Gary Bettenhausen (305 Sprints - Non-Winged) | - | - | - | 4th |
|
| 8/19/1973 | Illinois State Fairgrounds - Springfield, IL Silver Crown: USAC Silver Crown | Results | | Gary Bettenhausen (Silver Crown) | - | - | - | 15th |
|
| 9/3/1973 | DuQuoin State Fairgrounds - 1 Mile - DU QUOIN, IL Silver Crown: USAC Silver Crown | Results | | Gary Bettenhausen (Silver Crown) | - | - | - | 9th |
|
| 10/21/1973 | Eldora Speedway - Rossburg, OH 410 Sprints - Non-Winged: USAC National Sprint Cars 305 Sprints - Non-Winged | Results | | Gary Bettenhausen (305 Sprints - Non-Winged) | - | - | - | 4th |
|
| 11/25/1973 | Phoenix International Raceway - Phoenix, AZ Midgets: USAC National Midgets | Results | | Gary Bettenhausen (Midgets) | - | - | - | 32nd |
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