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| 6/19/2021 | Merritt Speedway - Merritt, MI Lightning Sprints: Great Lakes Lightning Sprints DIRTcar UMP Modifieds, Factory Stocks, Hobby Stocks, Sportsmans, B Modifieds, Mini Wedge, Mini Outlaws | Results | | Troy Marciniak (B Modifieds) | 5th | - | - | 9th |
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| 6/23/2021 | Thunderbird Raceway - Muskegon, MI Eastern IMCA Allstars IMCA Modified: Eastern IMCA Allstars A Modifieds, Sport Compact, IMCA Stock Car, DIRTcar Pro Stock | Results | | Troy Marciniak (A Modifieds) | 9th | - | 8th | - |
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| 7/3/2021 | Thunderbird Raceway - Muskegon, MI Lightning Sprints: Great Lakes Lightning Sprints Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Pro Late Model, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Troy Marciniak (A Modifieds) | - | - | - | - | | Troy Marciniak (Pro Late Model) | 1st | - | - | 1st |
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| 7/15/2021 | Thunderbird Raceway - Muskegon, MI DIRTcar Summer National Hell Tour Returns along with Summit Modified Nationals DIRTcar Late Models: DIRTcar Summer Nationals DIRTcar UMP Modifieds: DIRTcar Modified Nationals Sport Compact | Results | | Troy Marciniak (DIRTcar Late Models) | 7th | - | 10th | - |
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| 7/30/2021 | 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 | | Troy Marciniak (Sportsmans) | 1st | - | - | 1st |
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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 | | Troy Marciniak (Street Stocks) | 1st | - | - | 8th |
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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 | | Troy Marciniak (Sportsmans) | 3rd | - | - | 1st |
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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 | | Troy Marciniak (Pro Late Model) | - | - | - | - |
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| 9/10/2021 | Thunderbird Raceway - Muskegon, MI Rolling Thunder Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Enduro, Pro Late Model, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Troy Marciniak (Pro Late Model) | 2nd | - | - | 1st |
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