| | Heat | Dash | B Feature | A Feature |
|---|
|
|---|
| 4/14/1973 | Reading Fairgrounds - Reading, PA 410 Sprints - Non-Winged: USAC National Sprint Cars 305 Sprints - Non-Winged | Results | | Darl Harrison (305 Sprints - Non-Winged) | - | - | - | 12th |
|
| 6/8/1973 | Indiana State Fairgrounds - Indianapolis, IN 410 Sprints - Non-Winged: USAC National Sprint Cars 305 Sprints - Non-Winged | Results | | Darl Harrison (305 Sprints - Non-Winged) | - | - | 6th | 12th |
|
| 8/26/1973 | Minnesota State Fairgrounds - St. Paul, MN | Results | | Darl Harrison (305 Sprints - Non-Winged) | - | - | - | 16th |
|
| 9/3/1973 | DuQuoin State Fairgrounds - 1 Mile - DU QUOIN, IL Silver Crown: USAC Silver Crown | Results | | Darl Harrison (Silver Crown) | - | - | - | 13th |
|
| 9/15/1973 | Indiana State Fairgrounds - Indianapolis, IN Silver Crown: USAC Silver Crown | Results | | Darl Harrison (Silver Crown) | - | - | - | 7th |
|