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| 7/3/2021 | Hunt County Raceway - Greenville, TX S.T.E.M.S.(Southern Topless Economy Modifieds) Fireworks Stock Cars, Restricted 'A' Class, Winged A-Class, Limited Modified, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Jackie Prothro (Stock Cars) | 4th | - | - | DNS |
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| 7/24/2021 | Hunt County Raceway - Greenville, TX IMCA Mod Lites, Stock Cars, A Modifieds, Restricted 'A' Class, Winged A-Class, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Jackie Prothro (Stock Cars) | 6th | - | 8th | 23rd |
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| 8/21/2021 | Hunt County Raceway - Greenville, TX American Racer Modified Series Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros USRA Modifieds: USRA American Racer Modified Series Stock Cars, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Jackie Prothro (Stock Cars) | 7th | - | - | 17th |
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| 9/11/2021 | Hunt County Raceway - Greenville, TX Modifieds, Weekly Classes Stock Cars, Restricted 'A' Class, Winged A-Class, Super Stocks, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, USRA Tuners | Results | | Jackie Prothro (Stock Cars) | 6th | - | - | 8th |
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| 9/18/2021 | Hunt County Raceway - Greenville, TX ASCS Lone Star Region, Mini Mods of Texas, Weekly Classes 360 Sprints - Winged: ASCS Lone Star Region Stock Cars, Pro Legends, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Jackie Prothro (Stock Cars) | 7th | - | - | 16th |
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| 10/9/2021 | Hunt County Raceway - Greenville, TX Tommy Davis Sr. Memorial Race, Southern Topless Economy Modifieds Stock Cars, A Modifieds, Dirt Late Models, Limited Modified, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Jackie Prothro (Stock Cars) | 7th | - | - | 11th |
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