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| 4/10/2021 | Texana Raceway Park - Edna, TX Jude Allgayer Racing Night at the Races 305 Sprints - Winged, Factory Stocks, A Modifieds, B Modifieds, Street Stocks, Dirt Cage Kart Junior 1, Limited Sport Mod, IMCA Mod Lite, Cage Jr. Predator, Cage Sr. Predator | Results | | Martin David "Cooter" Koehne (Factory Stocks) | 4th | - | - | 16th |
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| 6/19/2021 | Texana Raceway Park - Edna, TX Revved Up Sports Show Night at the Races Factory Stocks, A Modifieds, 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 | | Martin David "Cooter" Koehne (B Modifieds) | 2nd | - | - | 4th |
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| 8/14/2021 | Texana Raceway Park - Edna, TX Sames Ford Back to School Blowout Featuring the SUS Sprint Cars 305 Sprints - Winged, DIRTcar Sport Compact, Factory Stocks, A Modifieds, B Modifieds, Street Stocks, Dirt Cage Kart Junior 1, Flat Adult Clone, Limited Sport Mod, IMCA Mod Lite, Cage Jr. Predator, Cage Sr. Predator | Results | | Martin David "Cooter" Koehne (B Modifieds) | 4th | - | - | 9th (DNF) |
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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 | | Martin David "Cooter" Koehne (B Modifieds) | 2nd | - | - | 4th |
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