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| 4/23/2021 | CJ Speedway - Columbus Junction, IA CJ Speedway 2021 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Darin Smith (IMCA Hobby Stock) | 7th | - | - | 11th |
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| 4/30/2021 | CJ Speedway - Columbus Junction, IA CJ Speedway 2021 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Darin Smith (IMCA Hobby Stock) | 7th | - | - | 14th |
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| 6/4/2021 | CJ Speedway - Columbus Junction, IA CJ Speedway 2021 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Darin Smith (IMCA Sport Compact) | 2nd | - | - | 6th |
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| 6/18/2021 | CJ Speedway - Columbus Junction, IA CJ Speedway 2021 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Darin Smith (IMCA Sport Compact) | 4th | - | - | 5th |
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| 7/2/2021 | CJ Speedway - Columbus Junction, IA CJ Speedway 2021 Vintage Full Body Stock Cars, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Darin Smith (IMCA Sport Compact) | 2nd | - | - | 3rd |
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| 7/23/2021 | CJ Speedway - Columbus Junction, IA CJ Speedway 2021 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Darin Smith (IMCA Sport Compact) | 5th | - | - | 5th |
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| 7/30/2021 | CJ Speedway - Columbus Junction, IA CJ Speedway 2021 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Darin Smith (IMCA Sport Compact) | 2nd | - | - | 7th |
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| 8/6/2021 | CJ Speedway - Columbus Junction, IA CJ Speedway 2021 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Darin Smith (IMCA Sport Compact) | 3rd | - | - | 10th |
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| 8/13/2021 | CJ Speedway - Columbus Junction, IA CJ Speedway 2021 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Darin Smith (IMCA Sport Compact) | 1st | - | - | DNS |
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| 8/27/2021 | CJ Speedway - Columbus Junction, IA CJ Speedway 2021 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Darin Smith (IMCA Sport Compact) | 1st | - | - | 1st |
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| 10/8/2021 | Lee County Speedway - Donnellson, IA Casey's Harvest Hustle Night 1 Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Darin Smith (Sport Compact) | 4th | - | - | 9th |
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| 11/6/2021 | CJ Speedway - Columbus Junction, IA 5th Annual Turkey Dash IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Darin Smith (IMCA Sport Compact) | 3rd | - | - | 8th |
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