| | Heat | Dash | B Feature | A Feature |
|---|
|
|---|
| 5/9/1981 | Knoxville Raceway - Knoxville, IA 410 Sprints - Non-Winged, 360 Sprints - Non-Winged | Results | | Bill Robison (410 Sprints - Non-Winged) | - | - | - | 7th |
|
| 5/22/1981 | Knoxville Raceway - Knoxville, IA | Results | | Bill Robison (Silver Crown) | - | - | - | 10th |
|
| 5/24/1981 | Boone Speedway - Boone, IA | Results | | Bill Robison (410 Sprints - Winged) | - | - | - | 5th |
|
| 6/5/1981 | Knoxville Raceway - Knoxville, IA 410 Sprints - Non-Winged, 360 Sprints - Non-Winged | Results | | Bill Robison (410 Sprints - Non-Winged) | - | - | - | 2nd |
|
| 6/13/1981 | Knoxville Raceway - Knoxville, IA | Results | | Bill Robison (410 Sprints - Non-Winged) | - | - | - | 1st |
|
| 6/20/1981 | Knoxville Raceway - Knoxville, IA | Results | | Bill Robison (410 Sprints - Non-Winged) | - | - | - | 3rd |
|
| 6/27/1981 | Knoxville Raceway - Knoxville, IA | Results | | Bill Robison (410 Sprints - Non-Winged) | - | - | - | 6th |
|
| 7/2/1981 | Belleville High Banks - Belleville, KS 410 Sprints - Winged: World of Outlaws | Results | | Bill Robison (410 Sprints - Winged) | - | - | - | 6th |
|
| 7/4/1981 | Knoxville Raceway - Knoxville, IA | Results | | Bill Robison (410 Sprints - Non-Winged) | - | - | - | 4th |
|
| 7/18/1981 | Knoxville Raceway - Knoxville, IA | Results | | Bill Robison (410 Sprints - Non-Winged) | - | - | - | 3rd |
|
| 7/21/1981 | Iowa State Fair Speedway - Des Moines, IA | Results | | Bill Robison (410 Sprints - Non-Winged) | - | - | - | 4th |
|
| 7/22/1981 | Knoxville Raceway - Knoxville, IA | Results | | Bill Robison (Silver Crown) | - | - | 1st | 8th |
|
| 8/1/1981 | Knoxville Raceway - Knoxville, IA | Results | | Bill Robison (410 Sprints - Non-Winged) | - | - | - | 1st |
|
| 8/9/1981 | Knoxville Raceway - Knoxville, IA | Results | | Bill Robison (410 Sprints - Non-Winged) | - | - | - | 6th |
|
| 8/10/1981 | Belleville High Banks - Belleville, KS | Results | | Bill Robison (410 Sprints - Winged) | - | - | - | 3rd |
|
| 8/16/1981 | Iowa State Fair Speedway - Des Moines, IA | Results | | Bill Robison (Silver Crown) | - | - | - | 4th |
|