| | Heat | Dash | B Feature | A Feature |
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9/1/2018 | Boone Speedway - Boone, IA Prelude to Super Nationals Hobby Stocks, A Modifieds, B Modifieds, Street Stocks | Results | Mark Griffin (A Modifieds) | 7th | - | 7th | - |
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9/5/2018 | Boone Speedway - Boone, IA 2018 IMCA Super Nationals A Modifieds, Street Stocks | Results | Mark Griffin (A Modifieds) | 4th | - | 6th | - |
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9/6/2018 | Boone Speedway - Boone, IA 2018 IMCA Super Nationals A Modifieds, Midwest Modifieds, Street Stocks, Vintage Full Body Stock Cars | Results | Mark Griffin (A Modifieds) | 6th | - | 12th | - |
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9/7/2018 | Boone Speedway - Boone, IA 2018 IMCA Super Nationals A Modifieds, Street Stocks, Generic 2 | Results | Mark Griffin (A Modifieds) | 4th | - | 11th | - |
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9/8/2018 | Boone Speedway - Boone, IA 2018 IMCA Super Nationals Hobby Stocks, A Modifieds, Midwest Modifieds, B Modifieds, Street Stocks, Vintage Full Body Stock Cars, Vintage Modifieds, Generic 1 | Results | Mark Griffin (A Modifieds) | 6th | - | - | - |
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