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| 4/17/2021 | Maquoketa Speedway - Maquoketa, IA Season Opener w/ Midwest Jalopies Pro Legends, Vintage Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Michael Heister (IMCA Northern SportMod) | 7th | - | - | 20th |
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| 4/24/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing $250 to win Sport Compacts Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Michael Heister (IMCA Northern SportMod) | 7th | - | - | 22nd |
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| 5/9/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Weekly Racing Hobby Stocks, A Modifieds, B Modifieds, IMCA Late Models, Sport Compact, Dirt Mini Late Models | Results | | Michael Heister (B Modifieds) | 8th | - | - | 14th |
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| 5/12/2021 | 300 Raceway - Farley, IA Weekly Racing Stock Cars, A Modifieds, B Modifieds, IMCA Late Models | Results | | Michael Heister (B Modifieds) | 4th | - | - | 5th |
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| 5/23/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Weekly Racing Hobby Stocks, A Modifieds, B Modifieds, IMCA Late Models, Sport Compact, Dirt Mini Late Models | Results | | Michael Heister (B Modifieds) | 7th | - | - | 12th |
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| 5/29/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing w/ School Bus Races Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Michael Heister (IMCA Northern SportMod) | 5th | - | 8th | - |
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| 5/30/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Weekly Racing Hobby Stocks, A Modifieds, B Modifieds, Masters Legends, Economy Late Models, IMCA Late Models, Sport Compact | Results | | Michael Heister (B Modifieds) | 5th | - | - | 9th |
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| 6/2/2021 | 300 Raceway - Farley, IA Real Country 99.3 KDST Weekly Racing Stock Cars, A Modifieds, B Modifieds, IMCA Late Models | Results | | Michael Heister (B Modifieds) | 8th | - | - | 5th |
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| 6/5/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing $1000 to win INEX Legends Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Michael Heister (IMCA Northern SportMod) | 6th | - | - | 19th |
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| 6/6/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Weekly Racing Hobby Stocks, A Modifieds, B Modifieds, IMCA Late Models, Sport Compact, Dirt Mini Late Models | Results | | Michael Heister (B Modifieds) | 4th | - | - | 12th |
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| 6/9/2021 | 300 Raceway - Farley, IA Cobra Lanes Weekly Racing In Memory of Randy Mackey Stock Cars, A Modifieds, B Modifieds, IMCA Late Models | Rain Out |
| 6/11/2021 | Davenport Speedway - Davenport, IA Concrete Services Placing Night Weekly Racing Sportsmans, A Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Sport Compact | Results | | Michael Heister (B Modifieds) | 7th | - | - | 24th |
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| 6/19/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing w/ Midwest Jalopies Vintage Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Michael Heister (IMCA Northern SportMod) | 4th | - | - | 15th |
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| 7/2/2021 | 300 Raceway - Farley, IA 2nd Annual Event Dirt Super Late Models: Lucas Oil MLRA Stock Cars, A Modifieds, B Modifieds | Results | | Michael Heister (B Modifieds) | 6th | - | - | DNS |
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| 7/17/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing $500 to win IMCA Hobby Stocks Pro Legends, Vintage Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Michael Heister (IMCA Northern SportMod) | 7th | - | 3rd | 22nd |
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| 7/29/2021 | Maquoketa Speedway - Maquoketa, IA Jackson County Fair Race Pro Legends, Vintage Full Body Stock Cars, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Michael Heister (IMCA Northern SportMod) | 3rd | - | - | 11th |
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| 8/4/2021 | 300 Raceway - Farley, IA Harris Golf Cars / Cen-Pe-Co Lubricants Weekly Racing Stock Cars, A Modifieds, B Modifieds, IMCA Late Models | Results | | Michael Heister (B Modifieds) | 4th | - | - | 10th |
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| 8/14/2021 | Maquoketa Speedway - Maquoketa, IA Season Championship w/ Bus ROC Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Michael Heister (IMCA Northern SportMod) | 6th | - | - | 12th |
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