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| 4/2/2021 | RPM Speedway - Crandall, TX 305 Sprints - Non-Winged, Limited Sport Mod, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, USRA Tuners | Results | | Charlie Thieme (USRA Modifieds) | 7th | - | 8th | 13th |
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| 5/14/2021 | RPM Speedway - Crandall, TX KR Cup Round #6 Dwarf, Limited Sport Mod, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, USRA Tuners | Results | | Charlie Thieme (USRA Modifieds) | 5th | - | - | 7th |
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| 6/17/2021 | RPM Speedway - Crandall, TX KR Cup Event Limited Sport Mod, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, USRA Tuners | Results | | Charlie Thieme (USRA Modifieds) | 2nd | - | - | 4th |
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| 6/25/2021 | RPM Speedway - Crandall, TX KR Cup Round #9 Limited Sport Mod, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, USRA Tuners, Dirt Big Block Modifieds | Results | | Charlie Thieme (USRA Modifieds) | 1st | - | - | 11th |
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| 7/9/2021 | RPM Speedway - Crandall, TX KR Cup Round #10 Dwarf, Limited Sport Mod, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, USRA Tuners | Results | | Charlie Thieme (USRA Modifieds) | 6th | - | - | 6th |
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| 7/23/2021 | RPM Speedway - Crandall, TX KR Cup Round #11 Limited Sport Mod, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, USRA Tuners | Results | | Charlie Thieme (USRA Modifieds) | 4th | - | - | 10th |
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| 8/6/2021 | RPM Speedway - Crandall, TX 305 Sprints - Non-Winged, Limited Sport Mod, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, USRA Tuners | Results | | Charlie Thieme (USRA Modifieds) | 3rd | - | - | 7th |
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| 9/4/2021 | RPM Speedway - Crandall, TX 7th Annual Bryan Mize Memorial USRA Modifieds: USRA American Racer Modified Series A Modifieds, Dwarf, Limited Modified, USRA Limited Mods, USRA Factory Stocks | Results | | Charlie Thieme (USRA Modifieds) | 8th | - | 7th | - |
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| 9/5/2021 | RPM Speedway - Crandall, TX 3rd Annual Ronny Sigman Memorial Dirt Late Models: XR Southern Storm USRA Modifieds: USRA American Racer Modified Series A Modifieds, Limited Sport Mod, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Charlie Thieme (USRA Modifieds) | 3rd | - | 3rd | 15th |
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