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| 4/2/2021 | Winston Speedway - Rothbury, MI Player Hater Asphalt Mini Stocks, Stock Cars, Sportsmans, Street Stocks, Dirt Late Models, Hornets, Mini Wedge, IMCA Modified | Results | | Jason Diedrich (Stock Cars) | 4th | - | - | 7th |
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| 4/16/2021 | Winston Speedway - Rothbury, MI Opening Night Full Show Plus Glamour Car Asphalt Mini Stocks, Stock Cars, Sportsmans, Street Stocks, Dirt Late Models, Hornets, Mini Wedge, IMCA Modified | Results | | Jason Diedrich (Stock Cars) | 4th | - | - | 5th |
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| 4/17/2021 | Thunderbird Raceway - Muskegon, MI Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Pro Late Model, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Jason Diedrich (Stock Cars) | 5th | - | - | 9th |
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| 4/23/2021 | Winston Speedway - Rothbury, MI Full Show Asphalt Mini Stocks, Stock Cars, Sportsmans, Street Stocks, Dirt Late Models, Hornets, Mini Wedge, IMCA Modified | Results | | Jason Diedrich (Stock Cars) | 3rd | - | - | 10th |
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| 5/8/2021 | Thunderbird Raceway - Muskegon, MI Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Pro Late Model, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Jason Diedrich (Stock Cars) | 2nd | - | - | 9th |
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| 5/14/2021 | Winston Speedway - Rothbury, MI IMCA Fast Shaft $1000.00 to win and Full Show Asphalt Mini Stocks, Stock Cars, Sportsmans, Street Stocks, Dirt Late Models, Hornets, Mini Wedge, IMCA Modified | Results | | Jason Diedrich (Stock Cars) | 2nd | - | - | 8th |
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| 6/4/2021 | Winston Speedway - Rothbury, MI Kids Night Plus Full Show Asphalt Mini Stocks, Stock Cars, Sportsmans, Street Stocks, Dirt Late Models, Hornets, Mini Wedge, IMCA Modified | Results | | Jason Diedrich (Stock Cars) | 4th | - | - | 8th |
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| 6/5/2021 | Thunderbird Raceway - Muskegon, MI Midwest Dirt $500 to Win & Full Show Sport Compact: Midwest Compact Touring Series Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Pro Late Model, Mini Wedge, Mini Outlaws | Results | | Jason Diedrich (Stock Cars) | - | - | - | - | | Jason Diedrich (Sport Compact) | 8th | - | 11th | - |
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| 6/11/2021 | Winston Speedway - Rothbury, MI Cyber Stocks $500 to WIN and Full Show Asphalt Mini Stocks, Stock Cars, Sportsmans, Street Stocks, Dirt Late Models, Hornets, Mini Wedge, IMCA Modified | Results | | Jason Diedrich (Stock Cars) | 2nd | - | - | 8th |
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| 6/12/2021 | Thunderbird Raceway - Muskegon, MI IMCA Modified Summer Series $1000 to win Presented by JJ Motorsports plus full show Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Pro Late Model, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Jason Diedrich (Stock Cars) | 6th | - | - | 10th |
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| 7/2/2021 | Winston Speedway - Rothbury, MI James Traxler Memorial $2100 to WIN for Street Stocks Full Show with Fireworks Asphalt Mini Stocks, Stock Cars, Sportsmans, B Modifieds, Street Stocks, Dirt Late Models, Hornets, Mini Wedge, IMCA Modified | Results | | Jason Diedrich (Stock Cars) | 8th | - | - | DNS |
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| 7/9/2021 | Winston Speedway - Rothbury, MI Full Show Asphalt Mini Stocks, Stock Cars, Sportsmans, Street Stocks, Dirt Late Models, Hornets, Mini Wedge, IMCA Modified | Results | | Jason Diedrich (Stock Cars) | 5th | - | - | 9th |
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| 7/10/2021 | Thunderbird Raceway - Muskegon, MI $500 to win Warriors Presented by NIX's Trucking-$1000 to Win IMCA Modified Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Pro Late Model, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Jason Diedrich (Stock Cars) | 5th | - | - | - |
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| 7/30/2021 | Winston Speedway - Rothbury, MI Full Show Asphalt Mini Stocks, Stock Cars, Sportsmans, Street Stocks, Dirt Late Models, 410 Sprints - Non-Winged, Hornets, Mini Wedge, IMCA Modified | Results | | Jason Diedrich (Stock Cars) | 3rd | - | - | 14th |
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| 7/31/2021 | Thunderbird Raceway - Muskegon, MI Junkyard 100 Enduro JJ Motorsports IMCA Mod Summer Series Dirt Super Late Models, Factory Stocks, Stock Cars, A Modifieds, Enduro, Pro Late Model, Mini Wedge, Mini Outlaws | Results | | Jason Diedrich (Stock Cars) | 6th | - | - | 10th |
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| 8/13/2021 | Winston Speedway - Rothbury, MI Full Show Asphalt Mini Stocks, Stock Cars, Sportsmans, Street Stocks, Dirt Late Models, 410 Sprints - Non-Winged, Hornets, Mini Wedge, IMCA Modified | Results | | Jason Diedrich (Stock Cars) | 8th (DNF) | - | - | DNS |
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