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| 3/3/2018 | 281 Speedway by C&S Promotions - Stephenville, TX Mardi Gras Opening Night with Legacy Dwarf Club Factory Stocks, Stock Cars, A Modifieds, B Modifieds, Street Stocks, Dwarf, Hornets | Results | | Marshall McKelvey (Dwarf) | 2nd | - | - | DNS |
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| 4/21/2018 | 281 Speedway by C&S Promotions - Stephenville, TX SPECIAL EVENT: Super Hero Night w/ Texas Sprint Series 305 Sprints - Winged, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Marshall McKelvey (305 Sprints - Winged) | 6th | - | - | 15th |
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| 5/26/2018 | 281 Speedway by C&S Promotions - Stephenville, TX SPECIAL EVENT: Elite Non-Wing Sprint Series Factory Stocks, Street Stocks, Non-Winged Sprints, 305 Sprints - Non-Winged, Dwarf, Hornets | Results | | Marshall McKelvey (Dwarf) | 5th | - | - | 21st (DNF) |
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| 5/27/2018 | Heart O' Texas Speedway - Waco, TX Texas Shootout - IMCA Red River Modified Tour 305 Sprints - Winged, Factory Stocks, Stock Cars, A Modifieds, B Modifieds, Street Stocks | Results | | Marshall McKelvey (305 Sprints - Winged) | 7th | - | - | 15th |
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| 6/2/2018 | 281 Speedway by C&S Promotions - Stephenville, TX School's Out Celebration Factory Stocks, A Modifieds, B Modifieds, Street Stocks, Dwarf, Hornets | Results | | Marshall McKelvey (Dwarf) | 2nd | - | - | 8th (DNF) |
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| 6/16/2018 | 281 Speedway by C&S Promotions - Stephenville, TX Special Event: Texas Sprint Series Father's Day Celebration 305 Sprints - Winged, Sprint Cars, Factory Stocks, Stock Cars, A Modifieds, B Modifieds, Street Stocks, Hornets | Results | | Marshall McKelvey (305 Sprints - Winged) | 7th (DNF) | - | - | 11th |
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| 10/27/2018 | Heart O' Texas Speedway - Waco, TX 21st Annual Fall Classic - 3rd Annual Dwarf Car Nationals 305 Sprints - Winged, Factory Stocks, Stock Cars, A Modifieds, B Modifieds, Street Stocks, Veteran Dwarf, Pro Dwarf | Results | | Marshall McKelvey (305 Sprints - Winged) | 8th | - | 7th | - |
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