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| 4/24/2021 | Shelby County Speedway - Harlan, IA Spring Fling Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact, IMCA Mod Lite | Results | | Michael Guthrie (B Modifieds) | 3rd | - | - | 7th |
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| 5/29/2021 | Park Jefferson International Speedway - Jefferson, SD 410 Sprint Cars featuring NOSA plus IMCA 410 Sprints - Winged: Northern Outlaw Sprint Association B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Michael Guthrie (IMCA Northern SportMod) | 5th | - | - | 9th |
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| 6/12/2021 | Shelby County Speedway - Harlan, IA Shelby County Speedway - WEST Dirt Super Late Models: SLMR Late Model Series Hobby Stocks, Stock Cars, B Modifieds, Non-Winged Sprints | Results | | Michael Guthrie (B Modifieds) | 7th | - | - | 7th |
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| 6/19/2021 | Shelby County Speedway - Harlan, IA The BuckSnort presents Father's Day Fleet Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Vintage Full Body Stock Cars, Sport Compact | Results | | Michael Guthrie (B Modifieds) | 9th | - | - | 11th |
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| 6/28/2021 | Park Jefferson International Speedway - Jefferson, SD Midwest Madness Tour at Park Jefferson IMCA Modified: Midwest Madness Tour IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Rain Out |
| 6/30/2021 | Buena Vista Raceway - Alta, IA Midwest Madness Tour/Kyle Suter Memorial Race IMCA Modified: Midwest Madness Tour Hobby Stocks, Stock Cars, B Modifieds, Sport Compact, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Michael Guthrie (B Modifieds) | - | - | - | - | | Michael Guthrie (IMCA Northern SportMod) | 7th | - | - | 11th |
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| 7/13/2021 | Shelby County Speedway - Harlan, IA Dale Swanson Memorial Hobby Stocks, Stock Cars, A Modifieds, B Modifieds | Results | | Michael Guthrie (B Modifieds) | 6th | - | 6th | - |
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| 7/26/2021 | Park Jefferson International Speedway - Jefferson, SD $1,000 to win IMCA Fast Shafts Qualifier at Park Jefferson B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Michael Guthrie (IMCA Northern SportMod) | 3rd | - | - | 14th (DNF) |
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| 8/4/2021 | Buena Vista Raceway - Alta, IA Iowa Speed Week Hobby Stocks, Stock Cars, B Modifieds, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Michael Guthrie (IMCA Northern SportMod) | 4th | - | - | 11th |
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| 8/21/2021 | Shelby County Speedway - Harlan, IA IMCA Sunoco Late Model & Season Smack Down Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Michael Guthrie (B Modifieds) | 6th | - | - | 7th |
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| 8/25/2021 | Buena Vista Raceway - Alta, IA Season Championship Hobby Stocks, Stock Cars, B Modifieds, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Michael Guthrie (IMCA Northern SportMod) | 4th | - | - | 8th |
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| 9/24/2021 | Shelby County Speedway - Harlan, IA Tiny Lund Night 1 / Battle of the Compacts on Hwy 59 Hobby Stocks, Stock Cars, B Modifieds, Dirt Late Models, Sport Compact | Results | | Michael Guthrie (B Modifieds) | 6th | - | 14th | - |
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| 9/25/2021 | Shelby County Speedway - Harlan, IA Tiny Lund Night 2 / Dirt Truck Racing Assoc. Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Dirt Pro Trucks, Sport Compact | Results | | Michael Guthrie (B Modifieds) | 2nd | - | - | 13th |
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