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| 8/13/2021 | Winston Speedway - Rothbury, MI Full Show Asphalt Mini Stocks, Stock Cars, Sportsmans, Street Stocks, Dirt Late Models, 410 Sprints - Non-Winged, Hornets, Mini Wedge, IMCA Modified | Results | | Dennis Heatherington (Street Stocks) | 4th | - | - | 8th (DNF) |
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| 8/14/2021 | Thunderbird Raceway - Muskegon, MI 360 Sprints - Winged: GLSS-Great Lakes Super Sprints Factory Stocks, Stock Cars, A Modifieds, Pro Late Model, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Dennis Heatherington (Factory Stocks) | 4th | - | - | - |
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| 8/20/2021 | Winston Speedway - Rothbury, MI Lightning Sprints: Great Lakes Lightning Sprints Asphalt Mini Stocks, Stock Cars, Sportsmans, Street Stocks, Dirt Late Models, 410 Sprints - Non-Winged, Hornets, Mini Wedge, IMCA Modified | Results | | Dennis Heatherington (Street Stocks) | 5th | - | - | 18th (DNF) |
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| 8/27/2021 | Winston Speedway - Rothbury, MI ALMS Late models plus show Asphalt Mini Stocks, Stock Cars, Sportsmans, Street Stocks, Dirt Late Models, 410 Sprints - Non-Winged, Hornets, Lightning Sprints, Mini Wedge, IMCA Modified | Results | | Dennis Heatherington (Street Stocks) | 6th (DNF) | - | - | 7th |
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| 8/28/2021 | Thunderbird Raceway - Muskegon, MI Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Pro Late Model, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Dennis Heatherington (Factory Stocks) | 7th | - | 2nd | 21st (DNF) |
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| 9/3/2021 | Winston Speedway - Rothbury, MI Season Championship DIRTcar Late Models, Asphalt Mini Stocks, Stock Cars, Sportsmans, Street Stocks, Dirt Late Models, 410 Sprints - Non-Winged, Hornets, Lightning Sprints, Mini Wedge, IMCA Modified | Results | | Dennis Heatherington (Street Stocks) | 5th | - | - | 13th (DNF) |
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| 9/4/2021 | Thunderbird Raceway - Muskegon, MI Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Pro Late Model, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Dennis Heatherington (Factory Stocks) | - | - | - | - |
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| 9/5/2021 | Crystal Motor Speedway - Crystal, MI Outlaw Late Models & Open Modifieds Dirt Super Late Models, Hobby Stocks, B Modifieds, Street Stocks, Dirt Late Models, 410 Sprints - Non-Winged, Lightning Sprints, Dirt Pro Trucks, Sport Compact | Results | | Dennis Heatherington (Street Stocks) | 7th | - | 2nd | 16th |
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