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| 5/7/2021 | Outagamie Speedway - Seymour, WI 2021 Season Opener by Klink Equipment Street Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Aaron Butterbrodt (IMCA Northern SportMod) | 7th | - | 6th | - |
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| 5/14/2021 | Outagamie Speedway - Seymour, WI Street Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Aaron Butterbrodt (IMCA Northern SportMod) | 1st | - | - | 24th (DNF) |
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| 6/11/2021 | Outagamie Speedway - Seymour, WI Street Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Aaron Butterbrodt (IMCA Northern SportMod) | 2nd | - | - | 20th (DNF) |
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| 7/24/2021 | The Hill Raceway - Sturgeon Bay, WI Street Stock Busch Shootout Stock Cars, A Modifieds, B Modifieds, Street Stocks, Dirt 4 cyl Modifieds | Results | | Aaron Butterbrodt (B Modifieds) | 3rd | - | - | 12th |
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| 7/29/2021 | The Hill Raceway - Sturgeon Bay, WI Fair Race Stock Cars, B Modifieds, Street Stocks, Dirt 4 cyl Modifieds | Results | | Aaron Butterbrodt (B Modifieds) | 1st | - | - | 20th (DNF) |
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| 9/10/2021 | Outagamie Speedway - Seymour, WI 410 Sprints - Winged: IRA Interstate Racing Association Baby Grand, IMCA Northern SportMod | Results | | Aaron Butterbrodt (IMCA Northern SportMod) | 1st | - | - | 4th |
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