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| 2/12/2021 | RPM Speedway - Crandall, TX 6th Annual Smackdown/B&B Chassis Southern Thaw Presented by American Racer USRA Stock Cars: USRA Southern Thaw Dwarf, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Canceled |
| 2/13/2021 | RPM Speedway - Crandall, TX 6th Annual Smackdown/B&B Chassis Southern Thaw Presented by American Racer USRA Stock Cars: USRA Southern Thaw Dwarf, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Canceled |
| 5/8/2021 | Big O Speedway - Ennis, TX Saturday Night at BIG O DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks | Results | | Kenneth Chamberlain (USRA Factory Stocks) | DNS | - | - | DNS |
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| 5/15/2021 | Hunt County Raceway - Greenville, TX S.T.E.M.S.(Southern Topless Economy Modifieds) Stock Cars, Restricted 'A' Class, Winged A-Class, Limited Modified, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Kenneth Chamberlain (USRA Factory Stocks) | 1st | - | - | 8th |
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| 6/5/2021 | Big O Speedway - Ennis, TX DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks, Dirt Winged Modifieds | Results | | Kenneth Chamberlain (USRA Factory Stocks) | 1st | - | - | 1st |
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| 6/12/2021 | Big O Speedway - Ennis, TX DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks | Results | | Kenneth Chamberlain (USRA Factory Stocks) | 2nd | - | - | 4th |
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| 6/19/2021 | Big O Speedway - Ennis, TX DIRTcar Late Models, Factory Stocks, Stock Cars, Hornets, Limited Sport Mod, USRA Factory Stocks, USRA Tuners | Results | | Kenneth Chamberlain (USRA Factory Stocks) | 4th | - | - | 3rd |
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| 6/26/2021 | Big O Speedway - Ennis, TX DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks, Dirt Winged Modifieds | Results | | Kenneth Chamberlain (USRA Factory Stocks) | 3rd | - | - | 6th |
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| 7/3/2021 | Big O Speedway - Ennis, TX DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Factory Stocks | Results | | Kenneth Chamberlain (USRA Factory Stocks) | 3rd | - | - | 4th |
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| 7/10/2021 | Big O Speedway - Ennis, TX DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Factory Stocks, Dirt Winged Modifieds | Results | | Kenneth Chamberlain (USRA Factory Stocks) | 3rd | - | - | 8th |
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| 7/24/2021 | Big O Speedway - Ennis, TX DIRTcar Late Models, Factory Stocks, Hornets, Lightweight SuperSport, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks | Results | | Kenneth Chamberlain (USRA Factory Stocks) | 7th | - | - | 3rd |
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| 8/6/2021 | Boothill Speedway - Greenwood, LA 7th Annual King of the Hill - Night #1 Factory Stocks, B Modifieds, Sport Compact | Results | | Kenneth Chamberlain (Factory Stocks) | 4th | - | - | - |
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| 8/7/2021 | Big O Speedway - Ennis, TX DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks | Results | | Kenneth Chamberlain (USRA Factory Stocks) | 9th | - | - | 9th |
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| 8/7/2021 | Boothill Speedway - Greenwood, LA 7th Annual King of the Hill - Night #2 Factory Stocks, CRUSA Dirt Late Models, Limited Modified | Results | | Kenneth Chamberlain (Factory Stocks) | - | - | - | - |
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| 8/21/2021 | Big O Speedway - Ennis, TX Short Track Super Series Cajun Region. DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks, Dirt Big Block Modifieds | Results | | Kenneth Chamberlain (USRA Factory Stocks) | 2nd | - | - | 8th |
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| 8/28/2021 | Big O Speedway - Ennis, TX DIRTcar Late Models, Factory Stocks, Stock Cars, Hornets, Lightweight SuperBike, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks, Dirt Winged Modifieds | Results | | Kenneth Chamberlain (USRA Factory Stocks) | 1st | - | - | 1st |
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| 9/11/2021 | Big O Speedway - Ennis, TX DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks, Dirt Winged Modifieds | Results | | Kenneth Chamberlain (USRA Factory Stocks) | 2nd | - | - | 2nd |
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| 9/18/2021 | Big O Speedway - Ennis, TX DIRTcar Late Models, Factory Stocks, Stock Cars, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks, Dirt Big Block Modifieds, Figure 8 - FWD Stock | Results | | Kenneth Chamberlain (USRA Factory Stocks) | 1st | - | - | 2nd |
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| 9/25/2021 | Big O Speedway - Ennis, TX Jimmy Allard Family and Friends Classic DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks, Dirt Winged Modifieds, Figure 8 - FWD Stock | Results | | Kenneth Chamberlain (USRA Factory Stocks) | 7th | - | - | 1st |
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| 10/2/2021 | Big O Speedway - Ennis, TX Winged Sprints, DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks, Figure 8 - FWD Stock | Results | | Kenneth Chamberlain (USRA Factory Stocks) | 1st | - | - | 6th |
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