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| 6/10/2018 | Benton County Speedway - Vinton, IA Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Young Lions Legends, Semi-Pro Legends, Pro Legends, Masters Legends, Dwarf, Generic 1, Sport Compact | Results | | Brett Marshall (Sport Compact) | - | - | - | 10th |
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| 7/3/2018 | Benton County Speedway - Vinton, IA Hogan Memorial Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Pro Legends, Dwarf, Sport Compact | Results | | Brett Marshall (Sport Compact) | - | - | - | 2nd |
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| 7/25/2018 | Dubuque Fairgrounds Speedway - Dubuque, IA Julien Dubuque Classic Fair Race A Modifieds, B Modifieds, Dirt Late Models, Masters Legends, Economy Late Models, Sport Compact | Results | | Brett Marshall (Sport Compact) | - | - | - | 2nd |
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| 9/4/2018 | Boone Speedway - Boone, IA 2018 IMCA Super Nationals Hobby Stocks, B Modifieds, Vintage Modifieds, Generic 1, Sport Compact | Results | | Brett Marshall (Sport Compact) | - | - | - | - |
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