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| 4/20/2019 | Grayson County Speedway - Bells, TX Opening Night Benny Busby Memorial / Easter Egg Hunt Factory Stocks, Hobby Stocks, A Modifieds, B Modifieds, 600cc Modifieds | Results | | Marilyn Williams (B Modifieds) | 7th | - | - | 15th |
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| 4/27/2019 | Grayson County Speedway - Bells, TX Full Program / Southern Topless Economy Mods Factory Stocks, Hobby Stocks, A Modifieds, B Modifieds, 600cc Modifieds, Limited Modified | Results | | Marilyn Williams (B Modifieds) | 8th | - | - | 13th |
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| 5/4/2019 | Grayson County Speedway - Bells, TX Full Program / Rookie Class Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, 600cc Modifieds | Results | | Marilyn Williams (B Modifieds) | 7th | - | - | 19th |
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| 5/25/2019 | Grayson County Speedway - Bells, TX 305 Sprints - Non-Winged: ASCS Elite Non-Wing Sprints Factory Stocks, Hobby Stocks, Street Stocks, 600cc Modifieds | Results | | Marilyn Williams (600cc Modifieds) | 5th | - | - | 7th |
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| 6/1/2019 | Grayson County Speedway - Bells, TX Full Program / Rookie Class / Autograph Night Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, 600cc Modifieds | Results | | Marilyn Williams (600cc Modifieds) | 1st | - | - | 3rd |
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| 6/8/2019 | Grayson County Speedway - Bells, TX Full Program / Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, 600cc Modifieds | Results | | Marilyn Williams (600cc Modifieds) | 3rd | - | - | 7th (DNF) |
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| 6/15/2019 | Grayson County Speedway - Bells, TX Full Program / IMCA Texas Sprint Series 305 Sprints - Winged, Factory Stocks, Hobby Stocks, A Modifieds, B Modifieds, 600cc Modifieds | Results | | Marilyn Williams (600cc Modifieds) | 4th | - | - | 6th |
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| 7/20/2019 | Grayson County Speedway - Bells, TX Full Program / Rookie Class / Bicycle Race Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, 600cc Modifieds | Results | | Marilyn Williams (600cc Modifieds) | 2nd | - | - | 12th |
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| 7/27/2019 | Grayson County Speedway - Bells, TX Full Program / Southern Topless Modified Factory Stocks, Hobby Stocks, A Modifieds, B Modifieds, 600cc Modifieds, Limited Modified | Results | | Marilyn Williams (600cc Modifieds) | 3rd | - | - | 9th (DNF) |
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| 8/17/2019 | Grayson County Speedway - Bells, TX Full Program / Kids Dash For Cash Night Factory Stocks, Hobby Stocks, A Modifieds, B Modifieds, 600cc Modifieds | Results | | Marilyn Williams (600cc Modifieds) | 4th | - | - | 10th (DNF) |
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| 9/7/2019 | Grayson County Speedway - Bells, TX Non IMCA Points Night / Open Mods / Limited Mods DIRTcar UMP Modifieds, Factory Stocks, Hobby Stocks, 600cc Modifieds, Limited Modified, Limited Sport Mod | Results | | Marilyn Williams (600cc Modifieds) | 1st | - | - | 13th (DNF) |
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| 9/14/2019 | Grayson County Speedway - Bells, TX Full Program / IMCA Texas Sprint Series 305 Sprints - Winged, Factory Stocks, Hobby Stocks, A Modifieds, B Modifieds, 600cc Modifieds | Results | | Marilyn Williams (600cc Modifieds) | 7th | - | - | 14th (DNF) |
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| 9/21/2019 | Grayson County Speedway - Bells, TX Full Program / Powder Puff Race Factory Stocks, Hobby Stocks, A Modifieds, B Modifieds, 600cc Modifieds, Pony Stock | Results | | Marilyn Williams (600cc Modifieds) | 2nd | - | - | 6th |
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| 9/28/2019 | Grayson County Speedway - Bells, TX Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros Stock Non-Wing: NOW600 Non-Wing Micros Factory Stocks, Hobby Stocks, A Modifieds, B Modifieds, 600cc Modifieds | Results | | Marilyn Williams (600cc Modifieds) | 1st | - | - | 5th |
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