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| 4/24/2021 | I-37 Speedway - Pleasanton, TX I-37 Speedway Race Night Factory Stocks, Asphalt Mini Stocks, Restricted 'A' Class, Stock Non-Wing, Street Stocks, Economy Late Models, Limited Modified, IMCA Modified | Results | | Greg Dinsmore (IMCA Modified) | 2nd | - | - | 17th |
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| 5/15/2021 | Cotton Bowl Speedway - Paige, TX Race - All Classes & DCRST Dwarf: Dwarf Car Racing Series of Texas Factory Stocks, Street Stocks, Sport Compact, IMCA Modified, IMCA Southern SportMod, IMCA Stock Car | Results | | Greg Dinsmore (IMCA Modified) | - | - | - | - |
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| 5/30/2021 | Texana Raceway Park - Edna, TX Tony's Mobil Home Service Salute to the Troops Featuring the STLMS Late Models Dirt Late Models: XR Southern Storm Factory Stocks, A Modifieds, B Modifieds, Street Stocks, Dirt Cage Kart Junior 1, Flat Adult Clone, Dirt Pro Trucks, Limited Sport Mod, IMCA Mod Lite, Cage Jr. Predator, Cage Sr. Predator | Results | | Greg Dinsmore (A Modifieds) | 1st | - | - | 14th (DNF) |
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| 5/31/2021 | Texana Raceway Park - Edna, TX Operation Honor the Fallen Factory Stocks, A Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Dirt Cage Kart Junior 1, Flat Adult Clone, Limited Sport Mod, IMCA Mod Lite, Cage Jr. Predator, Cage Sr. Predator | Results | | Greg Dinsmore (A Modifieds) | 2nd | - | - | 3rd |
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| 6/26/2021 | I-37 Speedway - Pleasanton, TX I-37 Speedway Fireworks Night Factory Stocks, Asphalt Mini Stocks, Restricted 'A' Class, Stock Non-Wing, Street Stocks, Limited Modified, IMCA Modified | Results | | Greg Dinsmore (IMCA Modified) | 5th | - | - | 1st |
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| 9/5/2021 | Texana Raceway Park - Edna, TX Koehne's Welding Services Night at the Races Factory Stocks, A Modifieds, Restricted 'A' Class, B Modifieds, Street Stocks, Dirt Cage Kart Junior 1, Flat Adult Clone, Limited Sport Mod, Pro Dwarf, IMCA Mod Lite, Cage Jr. Predator, Cage Sr. Predator | Results | | Greg Dinsmore (A Modifieds) | 6th | - | - | 2nd |
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| 9/11/2021 | I-37 Speedway - Pleasanton, TX I-37 Speedway Race Night Factory Stocks, Asphalt Mini Stocks, Street Stocks, Dwarf, Limited Modified, IMCA Modified | Results | | Greg Dinsmore (IMCA Modified) | 2nd | - | - | 11th |
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| 9/18/2021 | I-37 Speedway - Pleasanton, TX I-37 Speedway Race Night Factory Stocks, Asphalt Mini Stocks, Street Stocks, Economy Late Models, Limited Modified, IMCA Modified | Results | | Greg Dinsmore (IMCA Modified) | 7th | - | - | 5th |
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| 10/30/2021 | I-37 Speedway - Pleasanton, TX DTK Memorial Night 2 Factory Stocks, Asphalt Mini Stocks, Limited Modified, IMCA Modified | Results | | Greg Dinsmore (IMCA Modified) | 3rd | - | - | 2nd |
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