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| 3/6/2021 | Rocket Raceway Park - Petty, TX Season Opener Hobby Stocks, Stock Cars, 600cc Modifieds, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, USRA Tuners | Results | | Colby Smith (USRA Modifieds) | 1st | - | - | 1st |
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| 3/20/2021 | Southern Oklahoma Speedway - Ardmore, OK Opening Night - All Classes A Modifieds: TOMS - Touring Outlaw Modified Series Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod, IMCA Stock Car | Results | | Colby Smith (A Modifieds) | 1st | - | - | 22nd |
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| 4/2/2021 | Heart O' Texas Speedway - Waco, TX Touring Outlaw Modified Series - Autism Awareness Night A Modifieds: TOMS - Touring Outlaw Modified Series Factory Stocks, Street Stocks, Limited Sport Mod, IMCA Southern SportMod, IMCA Stock Car | Results | | Colby Smith (A Modifieds) | 4th | - | - | 9th |
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| 4/3/2021 | Rocket Raceway Park - Petty, TX 82 Speedway Winged Sprints: Bandits Outlaw Sprint Series Hobby Stocks, Stock Cars, 600cc Modifieds, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks | Results | | Colby Smith (USRA Modifieds) | 2nd | - | - | 20th |
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| 5/1/2021 | Southern Oklahoma Speedway - Ardmore, OK TOMS A Modifieds: TOMS - Touring Outlaw Modified Series Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod, IMCA Stock Car | Results | | Colby Smith (A Modifieds) | 2nd | - | - | 1st |
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| 5/8/2021 | Kennedale Speedway Park - Kennedale, TX A Modifieds: TOMS - Touring Outlaw Modified Series Factory Stocks, Stock Cars, Dwarf, IMCA Southern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Colby Smith (A Modifieds) | 4th | - | - | 7th |
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| 6/5/2021 | Hunt County Raceway - Greenville, TX IMCA Mod Lites A Modifieds: TOMS - Touring Outlaw Modified Series Stock Cars, Restricted 'A' Class, Winged A-Class, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Colby Smith (A Modifieds) | 4th | - | - | - |
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| 6/11/2021 | Heart O' Texas Speedway - Waco, TX Touring Outlaw Modified Series - Kids Bicycle Races A Modifieds: TOMS - Touring Outlaw Modified Series Factory Stocks, Street Stocks, Limited Modified, Limited Sport Mod, IMCA Southern SportMod, IMCA Stock Car | Results | | Colby Smith (A Modifieds) | 1st | - | - | 6th |
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| 6/19/2021 | Hunt County Raceway - Greenville, TX USRA American Racer Modified Series USRA Modifieds: USRA American Racer Modified Series Stock Cars, A Modifieds, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Colby Smith (USRA Modifieds) | 1st | - | - | 7th |
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| 7/10/2021 | Southern Oklahoma Speedway - Ardmore, OK TOMS A Modifieds: TOMS - Touring Outlaw Modified Series Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod | Results | | Colby Smith (A Modifieds) | 1st | - | - | 3rd |
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| 7/31/2021 | Hunt County Raceway - Greenville, TX 7th Annual Hella Shrine Race A Modifieds: TOMS - Touring Outlaw Modified Series Winged A-Class: NOW600 A-Class Micros Stock Cars, Restricted 'A' Class, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Colby Smith (A Modifieds) | 6th | - | - | 17th |
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| 8/21/2021 | Hunt County Raceway - Greenville, TX American Racer Modified Series Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros USRA Modifieds: USRA American Racer Modified Series Stock Cars, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Colby Smith (USRA Modifieds) | 9th | - | 5th | 23rd (DNF) |
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| 9/4/2021 | Southern Oklahoma Speedway - Ardmore, OK TOMS A Modifieds: TOMS - Touring Outlaw Modified Series Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod | Results | | Colby Smith (A Modifieds) | 2nd | - | - | 3rd |
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| 9/11/2021 | Hunt County Raceway - Greenville, TX Modifieds, Weekly Classes Stock Cars, Restricted 'A' Class, Winged A-Class, Super Stocks, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, USRA Tuners | Results | | Colby Smith (USRA Modifieds) | 1st | - | - | 2nd |
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| 10/2/2021 | Hunt County Raceway - Greenville, TX TOMS Modifieds A Modifieds: TOMS - Touring Outlaw Modified Series Stock Cars, Restricted 'A' Class, Winged A-Class, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Colby Smith (A Modifieds) | 2nd | - | - | 6th |
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| 10/9/2021 | Hunt County Raceway - Greenville, TX Tommy Davis Sr. Memorial Race, Southern Topless Economy Modifieds Stock Cars, A Modifieds, Dirt Late Models, Limited Modified, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Colby Smith (A Modifieds) | 3rd | - | - | 1st |
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| 10/15/2021 | Southern Oklahoma Speedway - Ardmore, OK TOMS Nationals - Night 1 A Modifieds: TOMS - Touring Outlaw Modified Series Hobby Stocks, Limited Sport Mod | Results | | Colby Smith (A Modifieds) | 4th | - | - | - |
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| 10/16/2021 | Southern Oklahoma Speedway - Ardmore, OK TOMS Nationals - Night 2 A Modifieds: TOMS - Touring Outlaw Modified Series Hobby Stocks, Limited Sport Mod | Results | | Colby Smith (A Modifieds) | - | - | 1st | 25th |
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