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| 4/10/2021 | Adams County Speedway - Corning, IA Practice Night Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Mark Karg (A Modifieds) | - | - | - | - |
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| 4/24/2021 | Adams County Speedway - Corning, IA Nascar Advance Auto Parts Weekly Series + 2020 Compact Awards Night Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Mark Karg (A Modifieds) | 6th | - | - | 7th |
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| 5/1/2021 | Adams County Speedway - Corning, IA Chat Mobility Presents the NAAPWS + 2020 Hobby Stock Awards Night Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Mark Karg (A Modifieds) | 5th | - | - | DNS |
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| 5/29/2021 | Adams County Speedway - Corning, IA ACS HOF Night Presented by R&S Collectibles/Southwest Cruisers Dirt Super Late Models, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Mark Karg (A Modifieds) | 1st | - | - | 14th |
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| 6/5/2021 | Adams County Speedway - Corning, IA Tri-State Ford Night- Modified and Stock Car 2020 Championship night. Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Mark Karg (A Modifieds) | 5th | - | - | 9th |
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| 6/12/2021 | Adams County Speedway - Corning, IA Akin Building Center Night-Kids E-POWER RACES BMOD 2020 CHAMPIONSHIP AWARDS Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Mark Karg (A Modifieds) | 3rd | - | - | 3rd |
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| 6/19/2021 | Adams County Speedway - Corning, IA NASCAR ADVANCE AUTO PARTS WEEKLY SERIES Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Mark Karg (A Modifieds) | 3rd | - | - | 5th |
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| 7/3/2021 | Adams County Speedway - Corning, IA NASCAR ADVANCE AUTO PARTS WEEKLY SERIES Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Mark Karg (A Modifieds) | 1st | - | - | 3rd |
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| 7/17/2021 | Adams County Speedway - Corning, IA Chat Mobility Presents "Kids Money Grab" + NAAPWS Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Mark Karg (A Modifieds) | 4th | - | - | 5th |
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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 | | Mark Karg (A Modifieds) | 9th | - | 10th | - |
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| 8/7/2021 | Adams County Speedway - Corning, IA PPI NIGHT+ Kids BOX CAR RACES- Compact Shootout Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Mark Karg (A Modifieds) | 7th | - | - | 8th |
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| 8/14/2021 | Adams County Speedway - Corning, IA McCunn Specialty Firearms Presents -Stock Car Shootouts + NAAPWS Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Mark Karg (A Modifieds) | 1st | - | - | 6th |
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| 8/21/2021 | Adams County Speedway - Corning, IA Custom Diesel Drivers Training Presents "Salute to Truckers Night" Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Mark Karg (A Modifieds) | 2nd | - | - | 2nd |
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| 8/28/2021 | Adams County Speedway - Corning, IA McCunn Specialty Firearms Presents B-Mod & Modified Shootouts + NAAPWS Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Mark Karg (A Modifieds) | 4th | - | - | 8th |
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| 9/4/2021 | Adams County Speedway - Corning, IA "CHAMPIONSHIP NIGHT"--NASCAR ADVANCE AUTO PARTS WEEKLY SERIES Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Mark Karg (A Modifieds) | 4th | - | - | 10th |
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| 10/1/2021 | Adams County Speedway - Corning, IA 23rd Annual NAPA "Tradition" Kevin Sharp Memorial--Custom Diesel Drivers Training "Pink Out" Night Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Mark Karg (A Modifieds) | 3rd | - | - | 9th |
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