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| 2/9/2018 | 281 Speedway by C&S Promotions - Stephenville, TX SPECIAL EVENT: Big Chill Throwdown! Factory Stocks, Stock Cars, A Modifieds, B Modifieds, Street Stocks, Hornets | Results | | Shelby Williams (Stock Cars) | 3rd | - | - | 20th |
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| 2/10/2018 | 281 Speedway by C&S Promotions - Stephenville, TX SPECIAL EVENT: Big Chill Throwdown! Factory Stocks, Stock Cars, A Modifieds, B Modifieds, Street Stocks, Hornets | Results | | Shelby Williams (Stock Cars) | 2nd | - | - | 3rd |
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| 2/16/2018 | Abilene Speedway - Abilene, TX Lonestar Stock Car Tour Hobby Stocks, Stock Cars, A Modifieds, B Modifieds | Results | | Shelby Williams (Stock Cars) | - | - | 13th | - |
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| 2/17/2018 | Abilene Speedway - Abilene, TX Lonestar Stock Car Tour Hobby Stocks, Stock Cars, A Modifieds, B Modifieds | Results | | Shelby Williams (Stock Cars) | - | - | 4th | - |
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| 3/9/2018 | Southern Oklahoma Speedway - Ardmore, OK 305 Sprints - Winged, Stock Cars, A Modifieds, B Modifieds | Results | | Shelby Williams (Stock Cars) | - | - | - | 16th |
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| 3/10/2018 | Southern Oklahoma Speedway - Ardmore, OK 305 Sprints - Winged, Stock Cars, A Modifieds, B Modifieds | Results | | Shelby Williams (Stock Cars) | - | - | - | 14th |
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| 3/31/2018 | Grayson County Speedway - Bells, TX First Point Race for 2018 DIRTcar UMP Modifieds, Factory Stocks, Hobby Stocks, A Modifieds, Street Stocks | Results | | Shelby Williams (Street Stocks) | 3rd | - | - | 1st |
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| 4/14/2018 | Grayson County Speedway - Bells, TX Restricted 'A' Class: NOW600 National Micros with NOW600 Restricted Micros Stock Non-Wing: NOW600 Non-Wing Micros DIRTcar UMP Modifieds, Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, Street Stocks, 600cc Modifieds | Results | | Shelby Williams (Street Stocks) | 1st | - | - | 1st |
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| 4/28/2018 | Grayson County Speedway - Bells, TX STEM Series DIRTcar UMP Modifieds, Factory Stocks, Hobby Stocks, A Modifieds, Street Stocks, Rookie Class | Results | | Shelby Williams (Street Stocks) | 4th | - | - | 1st |
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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 | | Shelby Williams (Stock Cars) | 3rd | - | - | 19th |
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| 5/31/2018 | Grayson County Speedway - Bells, TX IMCA Red River Modified Tour/ IMCA TV and MAV TV will be joining us DIRTcar UMP Modifieds, A Modifieds, Street Stocks | Results | | Shelby Williams (Street Stocks) | 3rd | - | - | 4th |
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| 6/1/2018 | Southern Oklahoma Speedway - Ardmore, OK IMCA Red River Modified Tour Round 6 Stock Cars, A Modifieds, B Modifieds | Results | | Shelby Williams (Stock Cars) | - | - | - | 17th |
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| 8/3/2018 | Rocket Raceway Park - Petty, TX DIRTcar UMP Modifieds, Factory Stocks, Hobby Stocks, A Modifieds, 600cc Modifieds, Limited Sport Mod | Results | | Shelby Williams (Limited Sport Mod) | 2nd | - | - | 2nd |
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| 8/10/2018 | Rocket Raceway Park - Petty, TX DIRTcar UMP Modifieds, Factory Stocks, Hobby Stocks, A Modifieds, 600cc Modifieds, Limited Sport Mod | Results | | Shelby Williams (Limited Sport Mod) | 4th | - | - | 7th |
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| 8/17/2018 | Rocket Raceway Park - Petty, TX DIRTcar UMP Modifieds, Factory Stocks, Hobby Stocks, A Modifieds, 600cc Modifieds, Limited Sport Mod | Results | | Shelby Williams (Limited Sport Mod) | 1st | - | - | 4th |
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