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| 1/6/2021 | Cocopah Speedway - Somerton, AZ Cocopah Speedway 2021 Winter Nationals presented by Yuma Insurance IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Ben Reierson (IMCA Hobby Stock) | - | - | - | - |
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| 3/19/2021 | Beatrice Speedway - Beatrice, NE 28th Annual Beatrice Spring Nationals - Show #1 Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact, IMCA Modified | Results | | Ben Reierson (Hobby Stocks) | 8th | - | 3rd | - |
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| 3/20/2021 | Beatrice Speedway - Beatrice, NE 28th Annual Beatrice Spring Nationals - Show #2 Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact, IMCA Modified | Results | | Ben Reierson (Hobby Stocks) | - | - | - | - |
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| 4/16/2021 | Princeton Speedway - Princeton, MN Season Opener Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | Ben Reierson (Hobby Stocks) | 2nd | - | - | 3rd |
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| 4/17/2021 | North Central Speedway - Brainerd, MN Season Opener Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | Ben Reierson (Hobby Stocks) | - | - | - | 5th |
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| 4/30/2021 | Princeton Speedway - Princeton, MN Hobby Stocks, A Modifieds, Winged A-Class, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | Ben Reierson (Hobby Stocks) | 2nd | - | - | 10th |
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| 5/1/2021 | North Central Speedway - Brainerd, MN Ron Johnson memorial race Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | Ben Reierson (Hobby Stocks) | 1st | - | - | 5th |
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| 5/14/2021 | Princeton Speedway - Princeton, MN Meet the drivers night (kids Night) Hobby Stocks, A Modifieds, Winged A-Class, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | Ben Reierson (Hobby Stocks) | 4th | - | - | 2nd |
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| 5/21/2021 | Princeton Speedway - Princeton, MN Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | Ben Reierson (Hobby Stocks) | 8th | - | - | 16th |
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| 5/25/2021 | Jackson Motorplex - Jackson, MN Bank Midwest IMCA Series presented by Zac's Trailer Sales Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Ben Reierson (Hobby Stocks) | 5th | - | - | 21st (DNF) |
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| 5/28/2021 | Princeton Speedway - Princeton, MN Late Model Show WISSOTA Late Model: Wissota Late Model Challenge Series Hobby Stocks, Sport Compact, IMCA Stock Car | Results | | Ben Reierson (Hobby Stocks) | 6th | - | - | 6th |
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| 6/4/2021 | Princeton Speedway - Princeton, MN Hobby Stocks, A Modifieds, Winged A-Class, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | Ben Reierson (Hobby Stocks) | 2nd | - | - | 2nd |
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| 6/18/2021 | Princeton Speedway - Princeton, MN Hobby Stocks, A Modifieds, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | Ben Reierson (B Modifieds) | 9th | - | - | 14th |
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| 6/24/2021 | Princeton Speedway - Princeton, MN Siercks Memorial Hobby Stocks, A Modifieds, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Ben Reierson (IMCA Northern SportMod) | 10th (DNF) | - | 11th | - |
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| 6/25/2021 | North Central Speedway - Brainerd, MN 10000 lakes 10k A Modifieds, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Ben Reierson (IMCA Northern SportMod) | 6th | - | 4th | - |
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| 6/26/2021 | North Central Speedway - Brainerd, MN 10000 lakes 10k IMCA Modified: Land of Ten Thousand Lakes 10K A Modifieds, B Modifieds, IMCA Northern SportMod, IMCA Stock Car | Results | | Ben Reierson (IMCA Northern SportMod) | 8th | - | 6th | - |
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| 9/4/2021 | North Central Speedway - Brainerd, MN Mighty Axe Hobby Stocks, A Modifieds, Winged A-Class, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | Ben Reierson (Hobby Stocks) | 7th | - | - | 10th | | Ben Reierson (B Modifieds) | DNS | - | 8th | - |
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| 9/5/2021 | North Central Speedway - Brainerd, MN Mighty Axe night 2 Hobby Stocks, A Modifieds, Winged A-Class, B Modifieds, Sport Compact, IMCA Stock Car, WISSOTA Mod Four, WISSOTA Super Stock | Results | | Ben Reierson (Hobby Stocks) | 5th | - | - | 13th | | Ben Reierson (B Modifieds) | 5th | - | - | 22nd (DNF) |
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| 10/9/2021 | Murray County Speedway - Slayton, MN Hub City Rumble - Repairable Vehicles.com Tri State Late Models Dirt Late Models: Tri-State Late Models Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Ben Reierson (Hobby Stocks) | 5th | - | 1st | 21st | | Ben Reierson (B Modifieds) | 1st | - | - | 8th |
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