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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 | | Kolton Chamberlain (USRA Factory Stocks) | DNS | - | - | DNS |
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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 | | Kolton Chamberlain (USRA Factory Stocks) | 5th | - | - | 16th |
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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 | | Kolton Chamberlain (USRA Factory Stocks) | 7th | - | - | 10th |
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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 | | Kolton Chamberlain (Factory Stocks) | - | - | - | - | | Kolton Chamberlain (USRA Factory Stocks) | 4th | - | - | 12th |
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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 | | Kolton Chamberlain (Factory Stocks) | - | - | - | - | | Kolton Chamberlain (USRA Factory Stocks) | 7th | - | - | 13th |
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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 | | Kolton Chamberlain (USRA Factory Stocks) | 5th | - | - | 9th | | Kolton Chamberlain (Figure 8 - FWD Stock) | - | - | - | - |
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| 10/23/2021 | RPM Speedway - Crandall, TX Inaugural Cowboy Up Classic USRA Modifieds: USRA American Racer Modified Series Limited Modified, Limited Sport Mod, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Kolton Chamberlain (USRA Factory Stocks) | 6th | - | 7th | - |
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