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| 1/26/2019 | The Bullring at Big O Speedway - Ennis, TX Special Event 1 DIRTcar Late Models, Restricted 'A' Class, Stock Non-Wing, Dwarf, 600cc Modifieds | Results | | Colby Stubblefield (Stock Non-Wing) | 5th | - | 2nd | 6th |
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| 2/15/2019 | Hunt County Raceway - Greenville, TX Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros Stock Non-Wing: NOW600 Non-Wing Micros | Results | | Colby Stubblefield (Stock Non-Wing) | 1st | - | - | 12th |
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| 2/16/2019 | Hunt County Raceway - Greenville, TX Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros Stock Non-Wing: NOW600 Non-Wing Micros | Results | | Colby Stubblefield (Stock Non-Wing) | 7th | - | 16th | - |
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| 3/16/2019 | Hunt County Raceway - Greenville, TX Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros | Results | | Colby Stubblefield (Winged A-Class) | - | - | - | 6th |
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| 3/29/2019 | The Bullring at Big O Speedway - Ennis, TX Restricted 'A' Class: POWRi Lonestar 600 Restrictor's Stock Non-Wing: POWRi Lonestar 600's Non Wing Junior Sprints: POWRi Lonestar 600's Jr Sprint's DIRTcar Late Models, Dwarf, Hornets | Results | | Colby Stubblefield (Stock Non-Wing) | 1st | - | - | 2nd |
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| 4/5/2019 | RPM Speedway - Crandall, TX KR Promotions Cup Race #1, plus 600 Winged A Class Micros Winged A-Class: NOW600 A-Class Micros USRA Limited Mods, USRA Modifieds, USRA Factory Stocks | Results | | Colby Stubblefield (Winged A-Class) | - | - | - | 2nd |
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| 5/24/2019 | The Bullring at Big O Speedway - Ennis, TX Memorial Day Bash Night #1 Restricted 'A' Class: POWRi Lonestar 600 Restrictor's Stock Non-Wing: POWRi Lonestar 600's Non Wing Junior Sprints: POWRi Lonestar 600's Jr Sprint's | Results | | Colby Stubblefield (Stock Non-Wing) | 1st | - | - | 11th |
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| 7/26/2019 | The Bullring at Big O Speedway - Ennis, TX Restricted 'A' Class: NOW600 Restricted Micros with POWRi Lonestar 600 Restrictor's Stock Non-Wing: NOW600 Non-Wing Micros with POWRi Lonestar 600's Non Wing Junior Sprints: POWRi Lonestar 600's Jr Sprint's DIRTcar Late Models, Hornets | Results | | Colby Stubblefield (Stock Non-Wing) | 4th | - | - | 17th |
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| 8/23/2019 | RPM Speedway - Crandall, TX Restricted 'A' Class: NOW600 Restricted Micros Stock Non-Wing: NOW600 Non-Wing Micros Factory Stocks, Winged A-Class, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks | Results | | Colby Stubblefield (Winged A-Class) | 2nd | - | - | 2nd | | Colby Stubblefield (Stock Non-Wing) | 2nd | - | - | 2nd |
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| 8/30/2019 | The Bullring at Big O Speedway - Ennis, TX Labor Day Spectacular Night #1 Restricted 'A' Class: NOW600 Restricted Micros with POWRi Lonestar 600 Restrictor's Stock Non-Wing: NOW600 Non-Wing Micros with POWRi Lonestar 600's Non Wing Junior Sprints: POWRi Lonestar 600's Jr Sprint's | Results | | Colby Stubblefield (Stock Non-Wing) | 3rd | 4th | - | 2nd |
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| 9/14/2019 | Hunt County Raceway - Greenville, TX Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros | Results | | Colby Stubblefield (Winged A-Class) | - | - | - | 1st |
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| 9/28/2019 | Rocket Raceway Park - Petty, TX Sprints 360 Sprints - Winged, 305 Sprints - Winged, Champ 360 Sprints - Winged, Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, 600cc Modifieds, Limited Sport Mod | Results | | Colby Stubblefield (360 Sprints - Winged) | 2nd | - | - | 16th |
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| 10/12/2019 | Rocket Raceway Park - Petty, TX $30,000+ PAUL PETERS MEMORIAL: Sprint Car Bandits, TOMS, LTDS & FS! 360 Sprints - Winged, Champ 360 Sprints - Winged, Factory Stocks, Limited Sport Mod, USRA Modifieds | Results | | Colby Stubblefield (360 Sprints - Winged) | 2nd | - | - | 2nd |
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