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| 4/2/2021 | I-80 Speedway - Greenwood, NE I-80 Speedway - WEST Dirt Super Late Models: SLMR Late Model Series 360 Sprints - Winged, B Modifieds | Results | | Shawn Harker (B Modifieds) | 5th | - | - | 10th |
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| 4/10/2021 | Boone Speedway - Boone, IA Season Opener IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Shawn Harker (IMCA Northern SportMod) | 2nd | - | - | 2nd |
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| 4/18/2021 | Interstate Speedway (SD) - Jefferson, SD IMCA Frostbuster IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Shawn Harker (IMCA Northern SportMod) | 1st | - | - | 16th (DNF) |
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| 4/23/2021 | I-80 Speedway - Greenwood, NE 04/23/2021 Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Shawn Harker (B Modifieds) | 1st | - | - | 5th |
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| 4/25/2021 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Shawn Harker (IMCA Northern SportMod) | 1st | - | - | 1st |
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| 4/30/2021 | I-80 Speedway - Greenwood, NE 04/30/2021 Event Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Shawn Harker (B Modifieds) | 5th | - | - | 2nd |
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| 5/2/2021 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Shawn Harker (IMCA Northern SportMod) | 1st | - | - | 1st |
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| 5/7/2021 | I-80 Speedway - Greenwood, NE 05/07/2021 Event Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Shawn Harker (B Modifieds) | 2nd | - | - | 2nd |
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| 5/14/2021 | I-80 Speedway - Greenwood, NE 05/14/2021 Event 360 Sprints - Winged, Stock Cars, B Modifieds, Dirt Late Models, Sport Compact | Results | | Shawn Harker (B Modifieds) | 2nd | - | - | 1st |
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| 5/21/2021 | I-80 Speedway - Greenwood, NE 05/21/2021 Dirt Super Late Models, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Shawn Harker (B Modifieds) | 3rd | - | - | 1st |
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| 5/30/2021 | I-80 Speedway - Greenwood, NE Charlie Clark Memorial A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Shawn Harker (B Modifieds) | 3rd | - | - | 1st |
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| 6/18/2021 | I-80 Speedway - Greenwood, NE 06/18/2021 Event Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Shawn Harker (B Modifieds) | 2nd | - | - | 4th |
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| 7/9/2021 | I-80 Speedway - Greenwood, NE 07/09/2021 Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Shawn Harker (B Modifieds) | 1st | - | - | 1st |
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| 7/13/2021 | Shelby County Speedway - Harlan, IA Dale Swanson Memorial Hobby Stocks, Stock Cars, A Modifieds, B Modifieds | Results | | Shawn Harker (B Modifieds) | 6th | - | 2nd | 21st (DNF) |
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| 7/18/2021 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Shawn Harker (IMCA Northern SportMod) | 1st | - | - | 1st |
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| 7/23/2021 | I-80 Speedway - Greenwood, NE Imperial Tile Silver Dollar Nationals Dirt Super Late Models: Lucas Oil Late Model Dirt Series A Modifieds, IMCA Modified | Results | | Shawn Harker (A Modifieds) | 6th | - | 7th | - |
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| 7/25/2021 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Shawn Harker (IMCA Northern SportMod) | 1st | - | - | 3rd |
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| 7/30/2021 | I-80 Speedway - Greenwood, NE 07/30/2021 Event Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Shawn Harker (B Modifieds) | 2nd | - | - | 2nd |
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| 8/1/2021 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Shawn Harker (IMCA Northern SportMod) | 2nd | - | - | 2nd |
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| 8/6/2021 | I-80 Speedway - Greenwood, NE 08/06/2021 Event Dirt Super Late Models, Stock Cars, B Modifieds, Sport Compact | Results | | Shawn Harker (B Modifieds) | 2nd | - | - | 1st |
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| 8/27/2021 | I-80 Speedway - Greenwood, NE 410 Sprints - Winged: World of Outlaws B Modifieds | Results | | Shawn Harker (B Modifieds) | 1st | - | - | 1st |
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| 8/31/2021 | Thayer County Speedway - Deshler, NE FloRacing Summer Speedweek Presented by Herbster Angus Farms IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Shawn Harker (IMCA Northern SportMod) | 3rd | - | - | 5th |
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| 9/2/2021 | US 30 Speedway - Columbus, NE Dirt Crown IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Shawn Harker (IMCA Northern SportMod) | - | - | - | - |
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| 9/3/2021 | Interstate Speedway (SD) - Jefferson, SD Agrivision Equipment Night Dirt Late Models: Tri-State Late Models IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Shawn Harker (IMCA Northern SportMod) | 5th (DNF) | - | - | 1st |
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| 9/5/2021 | I-80 Speedway - Greenwood, NE All Star Sunday Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, 600cc Modifieds, Sport Compact | Results | | Shawn Harker (B Modifieds) | 4th | - | - | 3rd |
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| 9/17/2021 | US 30 Speedway - Columbus, NE 25th Annual Abe Lincoln Memorial Vintage Full Body Stock Cars, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car | Results | | Shawn Harker (IMCA Northern SportMod) | 1st | - | - | 8th |
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| 9/18/2021 | US 30 Speedway - Columbus, NE 25th Annual Abe Lincoln Memorial Vintage Modifieds, IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Shawn Harker (IMCA Northern SportMod) | 1st | - | - | 6th |
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| 9/24/2021 | Salina Speedway - Salina, KS Mid-America Clash -- Night 1 Asphalt Mini Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds | Results | | Shawn Harker (B Modifieds) | 4th | - | - | 16th (DNF) |
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| 10/7/2021 | I-80 Speedway - Greenwood, NE Speedway Motors Night at the Races Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact, IMCA Modified | Results | | Shawn Harker (B Modifieds) | 1st | - | - | 2nd |
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| 10/8/2021 | I-80 Speedway - Greenwood, NE Cornhusker Classic Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact, IMCA Modified | Results | | Shawn Harker (B Modifieds) | 7th | - | - | - |
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| 10/9/2021 | I-80 Speedway - Greenwood, NE Cornhusker Classic Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact, IMCA Modified | Results | | Shawn Harker (B Modifieds) | - | - | 2nd | 8th |
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