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| 2/20/2021 | Cocopah Speedway - Somerton, AZ WESTERN STATES DWARF CAR NATIONALS Dwarf: Western States Dwarf Car Association Cage Jr. Sprints, Kid Karts Dirt, Junior Sportsman Dirt Karts, IMCA Modified, IMCA Northern SportMod, Mod Lites, Sportsman Dwarf, Veteran Dwarf, Pro Dwarf | Results | | Matthew Triefenbach (Mod Lites) | 3rd | - | - | 10th |
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| 4/10/2021 | Cocopah Speedway - Somerton, AZ Dwarf, Kid Karts Dirt, Junior Sportsman Dirt Karts, IMCA Modified, IMCA Hobby Stock, IMCA Sport Compact, Mod Lites | Results | | Matthew Triefenbach (Mod Lites) | DNS | - | - | DNS |
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| 5/28/2021 | Cocopah Speedway - Somerton, AZ Stock Cars, Dwarf, Kid Karts Dirt, Junior Sportsman Dirt Karts, IMCA Modified, IMCA Hobby Stock, IMCA Sport Compact, Mod Lites | Results | | Matthew Triefenbach (Mod Lites) | 4th | - | - | 4th |
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| 5/29/2021 | Cocopah Speedway - Somerton, AZ Stock Cars, Dwarf, Kid Karts Dirt, Junior Sportsman Dirt Karts, IMCA Modified, IMCA Hobby Stock, IMCA Sport Compact, Mod Lites | Results | | Matthew Triefenbach (Mod Lites) | 1st | - | - | 3rd |
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| 9/25/2021 | Tri County Speedway - Flomaton, AL Regularly Scheduled Racing Stock Cars, Street Stocks, Dirt Late Models, Pure Stock, Dirt Crate Late Models, Dirt 6-cyl Stock Cars, Junior Slingshots | Results | | Matthew Triefenbach (Dirt Crate Late Models) | 4th | - | - | 8th |
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| 10/9/2021 | Tri County Speedway - Flomaton, AL CRUSA Dirt Late Models: Crate Racin' USA Dirt Late Model Series Stock Cars, A Modifieds, Street Stocks, Pure Stock, Dirt Crate Late Models, Dirt 6-cyl Stock Cars, Junior Slingshots | Results | | Matthew Triefenbach (Dirt Crate Late Models) | 1st | - | - | 2nd |
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| 10/23/2021 | Tri County Speedway - Flomaton, AL Regularly Scheduled Racing. Stock Cars, Dirt Late Models, Pure Stock, Dirt Crate Late Models, Dirt 6-cyl Stock Cars, Junior Slingshots | Results | | Matthew Triefenbach (Dirt Crate Late Models) | 2nd | - | - | 4th |
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| 11/6/2021 | Tri County Speedway - Flomaton, AL The Legacy Championship Stock Cars, Street Stocks, Dirt Late Models, Pure Stock, Dirt Crate Late Models, Dirt 6-cyl Stock Cars, Junior Slingshots | Results | | Matthew Triefenbach (Dirt Crate Late Models) | 2nd | - | - | 9th |
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| 11/20/2021 | Southern Raceway - Milton, FL King of the Sandbox Saturday Night Dirt Super Late Models, Sportsmans, CRUSA Street Stocks, Pure Stock | Results | | Matthew Triefenbach (Sportsmans) | - | - | - | 11th | | Matthew Triefenbach (Pure Stock) | - | - | - | - |
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