| | Heat | Dash | B Feature | A Feature |
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| 4/17/2021 | Knoxville Raceway - Knoxville, IA Pella Motors/Kraig Ford Season Opener 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Mike Johnston (360 Sprints - Winged) | 7th | - | - | 20th |
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| 4/24/2021 | Knoxville Raceway - Knoxville, IA 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Mike Johnston (360 Sprints - Winged) | 10th | - | 9th | - |
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| 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 Johnston (360 Sprints - Winged) | 6th | - | - | 20th |
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| 5/22/2021 | Knoxville Raceway - Knoxville, IA Vermeer Night 360 Sprints - Winged: Nebraska 360 sprints 410 Sprints - Winged, 305 Sprints - Winged | Results | | Mike Johnston (360 Sprints - Winged) | 8th | - | - | 16th |
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| 5/29/2021 | Knoxville Raceway - Knoxville, IA Knoxville Hospital and Clinics/Slideways Night 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Mike Johnston (360 Sprints - Winged) | 8th | - | - | 20th |
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| 6/5/2021 | Knoxville Raceway - Knoxville, IA McKay Group Night 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Mike Johnston (360 Sprints - Winged) | 9th | - | 6th | - |
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| 6/12/2021 | Knoxville Raceway - Knoxville, IA 410 Sprints - Winged: World of Outlaws 360 Sprints - Winged | Results | | Mike Johnston (360 Sprints - Winged) | 10th | - | - | 16th |
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| 6/18/2021 | Knoxville Raceway - Knoxville, IA 360 Sprints - Winged, 305 Sprints - Winged | Results | | Mike Johnston (360 Sprints - Winged) | 9th | - | 9th | - |
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| 6/26/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #11 + Hawkeye Challenge Stock Cars, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Mike Johnston (Stock Cars) | - | - | - | 1st |
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| 7/3/2021 | Knoxville Raceway - Knoxville, IA 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Mike Johnston (360 Sprints - Winged) | 7th | - | - | 20th |
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| 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 Johnston (360 Sprints - Winged) | 6th | - | 3rd | 22nd |
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| 7/24/2021 | Knoxville Raceway - Knoxville, IA 3M Race Night 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Mike Johnston (360 Sprints - Winged) | 8th | - | 5th | - |
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| 8/6/2021 | Knoxville Raceway - Knoxville, IA 31st Annual ASCS 360 Knoxville Nationals 360 Sprints - Winged: ASCS National 410 Sprints - Winged, Winged Sprints | Results | | Mike Johnston (360 Sprints - Winged) | 9th | - | 23rd | - |
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| 8/7/2021 | Knoxville Raceway - Knoxville, IA 31st Annual ASCS 360 Knoxville Nationals 360 Sprints - Winged: ASCS National 410 Sprints - Winged, Winged Sprints | Results | | Mike Johnston (360 Sprints - Winged) | - | - | - | - |
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| 8/20/2021 | Lee County Speedway - Donnellson, IA Sprint Invaders - Lee County Speedway 360 Sprints - Winged: Sprint Invaders IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Mike Johnston (360 Sprints - Winged) | 7th | - | - | 16th |
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| 8/21/2021 | 34 Raceway - West Burlington, IA Frontline Genetics Night featuring Sprint Invaders 360 Sprints - Winged: Sprint Invaders Dirt Super Late Models, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Mike Johnston (360 Sprints - Winged) | 8th | - | - | - |
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| 9/25/2021 | 34 Raceway - West Burlington, IA 360 Fall Haul presented by Stronghurst Collision & Refinish 360 Sprints - Winged: Sprint Invaders Dirt Super Late Models | Results | | Mike Johnston (360 Sprints - Winged) | 7th | - | 6th | 22nd |
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