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| 3/12/2021 | Boothill Speedway - Greenwood, LA Rescheduled 2nd Annual Ronny Adams Memorial - Night #1 Factory Stocks, Dirt Late Models, Limited Modified | Results | | Colby Mewborn (Limited Modified) | 2nd | - | - | 1st |
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| 3/20/2021 | Boothill Speedway - Greenwood, LA Advanced Powder Coating Weekly Racing Series Factory Stocks, B Modifieds, CRUSA Dirt Late Models, Limited Modified, Sport Compact | Results | | Colby Mewborn (Limited Modified) | 3rd | - | - | 3rd |
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| 4/10/2021 | Boothill Speedway - Greenwood, LA Factory Stocks, B Modifieds, CRUSA Dirt Late Models, Limited Modified, Sport Compact | Results | | Colby Mewborn (Limited Modified) | 1st | - | - | 1st |
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| 5/1/2021 | Boothill Speedway - Greenwood, LA Advanced Powder Coating Weekly Racing Series Factory Stocks, B Modifieds, CRUSA Dirt Late Models, Limited Modified, Sport Compact | No Results |
| 5/8/2021 | Boothill Speedway - Greenwood, LA Advanced Powder Coating Weekly Racing Series Factory Stocks, B Modifieds, CRUSA Dirt Late Models, Limited Modified, Sport Compact | Canceled |
| 5/15/2021 | Boothill Speedway - Greenwood, LA Battle of Boothill Factory Stocks, B Modifieds, CRUSA Dirt Late Models, Limited Modified, Sport Compact | Results | | Colby Mewborn (Limited Modified) | 1st | - | - | 1st |
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| 6/17/2021 | Boothill Speedway - Greenwood, LA Inaugural Billy Melton Memorial - Practice Limited Modified | Results | | Colby Mewborn (Limited Modified) | - | - | - | - |
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| 6/18/2021 | Boothill Speedway - Greenwood, LA Inaugural Billy Melton Memorial - Night #1 B Modifieds, Limited Modified, Sport Compact | Results | | Colby Mewborn (Limited Modified) | 1st | - | - | - |
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| 6/19/2021 | Boothill Speedway - Greenwood, LA Inaugural Billy Melton Memorial - Night #2 Factory Stocks, CRUSA Dirt Late Models, Limited Modified | Results | | Colby Mewborn (Limited Modified) | - | - | 2nd | 2nd |
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| 6/25/2021 | Texarkana 67 Speedway - Texarkana, AR GRAND OPENING NIGHT Factory Stocks, Hobby Stocks, A Modifieds, Limited Sport Mod, Dirt 4 cyl Modifieds, IMCA Modified | Results | | Colby Mewborn (IMCA Modified) | 1st | - | - | 14th (DNF) |
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| 6/26/2021 | Ark-La-Tex Speedway - Vivian, LA Barksdale Credit Union Season Opener Factory Stocks, B Modifieds, Limited Modified, Sport Compact, Dirt Crate Late Models, Dirt Big Block Modifieds | Results | | Colby Mewborn (Limited Modified) | 1st | - | - | 3rd |
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| 7/2/2021 | Texarkana 67 Speedway - Texarkana, AR Fourth of July Race Factory Stocks, Limited Sport Mod, Dirt 4 cyl Modifieds, IMCA Modified | Results | | Colby Mewborn (IMCA Modified) | 1st | - | - | 2nd |
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| 7/3/2021 | Boothill Speedway - Greenwood, LA The Firecracker Factory Stocks, B Modifieds, Dirt Late Models, CRUSA Dirt Late Models, Limited Modified, Sport Compact | Results | | Colby Mewborn (Limited Modified) | 4th | - | - | 2nd |
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| 7/9/2021 | Texarkana 67 Speedway - Texarkana, AR Weekly Race Factory Stocks, Hobby Stocks, B Modifieds, Limited Sport Mod, Dirt 4 cyl Modifieds, IMCA Modified | Results | | Colby Mewborn (IMCA Modified) | 4th | - | - | 13th (DNF) |
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| 7/16/2021 | Texarkana 67 Speedway - Texarkana, AR Weekly Race Factory Stocks, Limited Sport Mod, Dirt 4 cyl Modifieds, IMCA Modified | Results | | Colby Mewborn (IMCA Modified) | 1st | - | - | 1st |
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| 7/23/2021 | Texarkana 67 Speedway - Texarkana, AR Kenneth Mitchell Memorial Factory Stocks, Limited Sport Mod, Dirt 4 cyl Modifieds, IMCA Modified | Results | | Colby Mewborn (IMCA Modified) | 1st | - | - | - |
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| 7/24/2021 | Texarkana 67 Speedway - Texarkana, AR $5555 to win Kenneth Memorial Day 2 Factory Stocks, Limited Sport Mod, Dirt 4 cyl Modifieds, IMCA Modified | Results | | Colby Mewborn (IMCA Modified) | - | - | - | 2nd |
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| 7/30/2021 | Texarkana 67 Speedway - Texarkana, AR Weekly Race Factory Stocks, Limited Sport Mod, Dirt 4 cyl Modifieds, IMCA Modified | Results | | Colby Mewborn (IMCA Modified) | 1st | - | - | 1st |
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| 7/31/2021 | Boothill Speedway - Greenwood, LA Advanced Powder Coating Weekly Racing Series Factory Stocks, B Modifieds, CRUSA Dirt Late Models, Limited Modified, Sport Compact | Results | | Colby Mewborn (Limited Modified) | 1st | - | - | 1st |
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| 8/7/2021 | Boothill Speedway - Greenwood, LA 7th Annual King of the Hill - Night #2 Factory Stocks, CRUSA Dirt Late Models, Limited Modified | Results | | Colby Mewborn (Limited Modified) | 1st | - | - | 16th |
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| 8/13/2021 | Texarkana 67 Speedway - Texarkana, AR Weekly Race Factory Stocks, Limited Modified, Limited Sport Mod, Dirt 4 cyl Modifieds, IMCA Modified, DIRTcar Mod Lites | Results | | Colby Mewborn (Limited Modified) | 1st | - | - | 1st |
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| 9/3/2021 | Boothill Speedway - Greenwood, LA 49th Annual Louisiana Dirt Track State Championships - Night 1 Factory Stocks, B Modifieds, CRUSA Dirt Late Models, Limited Modified, Sport Compact | Results | | Colby Mewborn (Limited Modified) | 9th | - | 4th | 15th |
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| 9/4/2021 | Boothill Speedway - Greenwood, LA 49th Annual Louisiana Dirt Track State Championships - Night 2 Factory Stocks, B Modifieds, CRUSA Dirt Late Models, Limited Modified, Sport Compact | Results | | Colby Mewborn (Limited Modified) | - | - | - | 6th |
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| 9/10/2021 | Texarkana 67 Speedway - Texarkana, AR First Responders Weekend Factory Stocks, Limited Sport Mod, Dirt 4 cyl Modifieds, IMCA Modified, DIRTcar Mod Lites | Results | | Colby Mewborn (IMCA Modified) | 1st | - | - | 1st |
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| 9/17/2021 | Texarkana 67 Speedway - Texarkana, AR 67 speedway Racing Winged Sprints: Bandits Outlaw Sprint Series Factory Stocks, Dirt 4 cyl Modifieds, IMCA Modified | Results | | Colby Mewborn (IMCA Modified) | 1st | - | - | 1st |
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| 9/24/2021 | Texarkana 67 Speedway - Texarkana, AR Weekly Race Factory Stocks, Dirt 4 cyl Modifieds, IMCA Modified | Results | | Colby Mewborn (IMCA Modified) | 4th | - | - | - |
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| 9/25/2021 | Texarkana 67 Speedway - Texarkana, AR Factory Stocks, Dirt 4 cyl Modifieds, IMCA Modified | Results | | Colby Mewborn (IMCA Modified) | - | - | - | 2nd |
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| 10/2/2021 | Boothill Speedway - Greenwood, LA Advanced Powder Coating Weekly Racing Series Factory Stocks, B Modifieds, CRUSA Dirt Late Models, Limited Modified, Sport Compact | Results | | Colby Mewborn (Limited Modified) | 1st | - | - | 1st |
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| 10/8/2021 | Ark-La-Tex Speedway - Vivian, LA O'Reilly's Auto Parts Cajun Classic Factory Stocks, B Modifieds, Limited Modified | Results | | Colby Mewborn (Limited Modified) | 2nd | - | - | 2nd |
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| 10/9/2021 | Ark-La-Tex Speedway - Vivian, LA O'Reilly's Auto Parts Cajun Classic Factory Stocks, Limited Modified, Sport Compact | Results | | Colby Mewborn (Limited Modified) | 2nd | - | - | 2nd |
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| 10/22/2021 | Sabine Speedway - Many, LA FALL SOUTHERN SHOWDOWN Factory Stocks, Street Stocks, Asphalt Pure Stocks, Limited Modified | Results | | Colby Mewborn (Limited Modified) | 3rd | - | - | - |
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| 10/23/2021 | Sabine Speedway - Many, LA FALL SOUTHERN SHOWDOWN Factory Stocks, Limited Modified, Dirt Crate Late Models | Results | | Colby Mewborn (Limited Modified) | - | - | 1st | 10th |
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| 10/30/2021 | Boothill Speedway - Greenwood, LA Advanced Powder Coating Weekly Racing Series Factory Stocks, B Modifieds, CRUSA Dirt Late Models, Limited Modified, Sport Compact | Results | | Colby Mewborn (Limited Modified) | 3rd | - | - | 6th |
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