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| 5/1/2021 | Jennerstown Speedway - Jennerstown, PA Opening Night Asphalt Late Models, Street Stocks, Asphalt 4-Cylinders, Asphalt Stock Cars, Asphalt Small Block Modifieds, Asphalt Pure Stocks | Results | | Mark Gustafson (Asphalt 4-Cylinders) | 5th | - | - | 11th |
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| 5/15/2021 | Jennerstown Speedway - Jennerstown, PA 5 Division Racing Asphalt Late Models, Street Stocks, Asphalt 4-Cylinders, Asphalt Stock Cars, Asphalt Small Block Modifieds | Results | | Mark Gustafson (Asphalt 4-Cylinders) | 4th | - | - | 8th |
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| 5/22/2021 | Jennerstown Speedway - Jennerstown, PA 5 Division Racing plus 4cyl Enduro Asphalt Late Models, Street Stocks, Asphalt 4-Cylinders, Asphalt Stock Cars, Asphalt Small Block Modifieds, Enduro, Asphalt Pure Stocks | Results | | Mark Gustafson (Asphalt 4-Cylinders) | 5th | - | - | 7th |
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| 6/5/2021 | Jennerstown Speedway - Jennerstown, PA 75 Lap Late Models Feature plus 4 Divisions Asphalt Late Models, Street Stocks, Asphalt 4-Cylinders, Asphalt Small Block Modifieds, Asphalt Pure Stocks | Results | | Mark Gustafson (Asphalt 4-Cylinders) | 5th | - | - | 9th |
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| 6/19/2021 | Jennerstown Speedway - Jennerstown, PA 5 Division Racing plus Super Cup Asphalt Late Models, Street Stocks, Asphalt 4-Cylinders, Asphalt Stock Cars, Asphalt Small Block Modifieds, Enduro | Results | | Mark Gustafson (Asphalt 4-Cylinders) | - | - | - | 8th |
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| 6/26/2021 | Jennerstown Speedway - Jennerstown, PA Autograph Night 5 Division Racing Asphalt Late Models, Asphalt 4-Cylinders, Asphalt Stock Cars, Asphalt Small Block Modifieds, Enduro, Asphalt Pure Stocks | Results | | Mark Gustafson (Asphalt 4-Cylinders) | 5th | - | - | 7th |
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| 7/10/2021 | Jennerstown Speedway - Jennerstown, PA Super Cup Stock Cars plus 5 Division Racing Asphalt Late Models, Street Stocks, Asphalt 4-Cylinders, Asphalt Stock Cars, Asphalt Pure Stocks | Results | | Mark Gustafson (Asphalt 4-Cylinders) | - | - | - | 7th |
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| 7/17/2021 | Jennerstown Speedway - Jennerstown, PA 5 Division Racing plus Special Event Asphalt Late Models, Street Stocks, Asphalt 4-Cylinders, Asphalt Stock Cars, Asphalt Small Block Modifieds, Enduro | Results | | Mark Gustafson (Asphalt 4-Cylinders) | 6th | - | - | 11th |
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| 7/31/2021 | Jennerstown Speedway - Jennerstown, PA 5 Division Racing plus 6cyl Enduro Asphalt Late Models, Street Stocks, Asphalt 4-Cylinders, Asphalt Small Block Modifieds, Enduro, Asphalt Pure Stocks | Results | | Mark Gustafson (Asphalt 4-Cylinders) | DNS | - | - | DNS |
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| 8/21/2021 | Jennerstown Speedway - Jennerstown, PA Super Cup Stock Cars plus 5 Division Racing Asphalt Late Models, Asphalt 4-Cylinders, Asphalt Stock Cars, Asphalt Small Block Modifieds, Asphalt Pure Stocks | Results | | Mark Gustafson (Asphalt 4-Cylinders) | - | - | - | 10th |
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| 8/28/2021 | Jennerstown Speedway - Jennerstown, PA 5 Division Racing plus 4cyl Enduro Asphalt Late Models, Street Stocks, Asphalt 4-Cylinders, Asphalt Stock Cars, Asphalt Small Block Modifieds, Enduro, Asphalt Pure Stocks | Results | | Mark Gustafson (Asphalt 4-Cylinders) | 4th | - | - | 8th |
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| 9/4/2021 | Jennerstown Speedway - Jennerstown, PA 5 Division Racing plus 6cyl Enduro Asphalt Late Models, Street Stocks, Asphalt 4-Cylinders, Asphalt Stock Cars, Asphalt Small Block Modifieds, Enduro | Results | | Mark Gustafson (Asphalt 4-Cylinders) | 4th | - | - | 8th |
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| 11/12/2021 | Jennerstown Speedway - Jennerstown, PA Jennerstown Annual Banquet Asphalt Late Models, Street Stocks, Asphalt 4-Cylinders, Asphalt Stock Cars, Asphalt Small Block Modifieds, Asphalt Pure Stocks | Results | | Mark Gustafson (Asphalt 4-Cylinders) | - | - | - | 8th |
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