| | Heat | Dash | B Feature | A Feature |
|---|
|
|---|
| 4/17/2021 | Knoxville Raceway - Knoxville, IA Pella Motors/Kraig Ford Season Opener 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Mike Mayberry (305 Sprints - Winged) | 3rd | - | - | 7th |
|
| 4/24/2021 | Knoxville Raceway - Knoxville, IA 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Mike Mayberry (305 Sprints - Winged) | 4th | - | - | 14th |
|
| 5/1/2021 | Knoxville Raceway - Knoxville, IA Jersey Freeze/Dennison Racing Tee's Night 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Mike Mayberry (305 Sprints - Winged) | - | - | - | - |
|
| 5/22/2021 | Knoxville Raceway - Knoxville, IA Vermeer Night 360 Sprints - Winged: Nebraska 360 sprints 410 Sprints - Winged, 305 Sprints - Winged | Results | | Mike Mayberry (305 Sprints - Winged) | 2nd | - | - | 3rd |
|
| 5/29/2021 | Knoxville Raceway - Knoxville, IA Knoxville Hospital and Clinics/Slideways Night 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Mike Mayberry (305 Sprints - Winged) | 1st | - | - | 7th |
|
| 6/5/2021 | Knoxville Raceway - Knoxville, IA McKay Group Night 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Mike Mayberry (305 Sprints - Winged) | 5th | - | - | 9th |
|
| 6/11/2021 | Knoxville Raceway - Knoxville, IA 410 Sprints - Winged: World of Outlaws 360 Sprints - Winged, 305 Sprints - Winged | Results | | Mike Mayberry (305 Sprints - Winged) | 2nd | - | - | 5th |
|
| 6/18/2021 | Knoxville Raceway - Knoxville, IA 360 Sprints - Winged, 305 Sprints - Winged | Results | | Mike Mayberry (305 Sprints - Winged) | 4th | - | - | 5th |
|
| 7/3/2021 | Knoxville Raceway - Knoxville, IA 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Mike Mayberry (305 Sprints - Winged) | 6th | - | - | 4th |
|
| 7/17/2021 | Knoxville Raceway - Knoxville, IA Van Wall Equipment Night 360 Sprints - Winged: Midwest Power Series 410 Sprints - Winged, 305 Sprints - Winged | Results | | Mike Mayberry (305 Sprints - Winged) | 2nd | - | - | 4th |
|
| 7/24/2021 | Knoxville Raceway - Knoxville, IA 3M Race Night 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Mike Mayberry (305 Sprints - Winged) | 1st | - | - | 3rd |
|