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| 5/29/2021 | Diamond Park Speedway - Murfreesboro, AR Memorial Weekend Spectacular Race Night with Modlites $1K to Win $100 to Start Factory Stocks, Sportsmans, Young Guns, Hornets, Limited Sport Mod, Pure Stock, IMCA Modified, IMCA Mod Lite | Results | | Mark Cogburn (Factory Stocks) | - | - | - | 12th (DNF) |
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| 6/19/2021 | Diamond Park Speedway - Murfreesboro, AR Regular Race Night Plus Super Street Stocks Debut Factory Stocks, Hobby Stocks, Sportsmans, Dirt Late Models, Young Guns, Hornets, Pure Stock, IMCA Modified, IMCA Mod Lite | Results | | Mark Cogburn (Factory Stocks) | 5th | - | - | 12th (DNF) |
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| 6/26/2021 | Diamond Park Speedway - Murfreesboro, AR 360 Sprints - Winged: ASCS Mid-South Region Factory Stocks, Sportsmans, Dirt Late Models, Young Guns, Hornets, Pure Stock, IMCA Mod Lite | Results | | Mark Cogburn (Factory Stocks) | 4th | - | - | 2nd |
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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 | | Mark Cogburn (Factory Stocks) | 8th (DNF) | - | - | 6th |
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| 7/3/2021 | Diamond Park Speedway - Murfreesboro, AR Tex Myers 8 Ball Classic $888 to Win in Modlites, $1K to win in Pure Stock Factory Stocks, Sportsmans, Young Guns, Hornets, Pure Stock, IMCA Modified, IMCA Mod Lite | Results | | Mark Cogburn (Factory Stocks) | 4th | - | - | 4th |
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| 7/10/2021 | Diamond Park Speedway - Murfreesboro, AR Regular Race Night Plus Super Street Stocks! Factory Stocks, Hobby Stocks, Sportsmans, Young Guns, Hornets, Pure Stock, IMCA Modified, IMCA Mod Lite | Results | | Mark Cogburn (Factory Stocks) | 3rd | - | - | 4th |
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| 7/17/2021 | Diamond Park Speedway - Murfreesboro, AR $500 Pure Stock plus Regular Points Night Factory Stocks, Sportsmans, Hornets, Pure Stock, IMCA Modified, IMCA Mod Lite | Results | | Mark Cogburn (Factory Stocks) | DNS | - | - | DNS |
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| 7/24/2021 | Diamond Park Speedway - Murfreesboro, AR Regular Race Night with $1K to Win Pure Stock Factory Stocks, Sportsmans, Hornets, Pure Stock, IMCA Modified, IMCA Mod Lite | Results | | Mark Cogburn (Factory Stocks) | 4th (DNF) | - | - | 7th (DNF) |
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| 7/31/2021 | Tri-State Speedway - Pocola, OK $3,000 to win USRA Factory Stock Special Honoring Danny Martinez USRA B-Mods, USRA Modifieds, USRA Factory Stocks, USRA Stock Cars | Results | | Mark Cogburn (USRA Factory Stocks) | 6th | - | - | 8th |
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| 8/6/2021 | Boothill Speedway - Greenwood, LA 7th Annual King of the Hill - Night #1 Factory Stocks, B Modifieds, Sport Compact | Results | | Mark Cogburn (Factory Stocks) | 6th | - | - | - |
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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 | | Mark Cogburn (Factory Stocks) | - | - | - | - |
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| 8/14/2021 | Diamond Park Speedway - Murfreesboro, AR Regular Race Night plus Kids Bicycle Races Factory Stocks, Sportsmans, Young Guns, Hornets, Pure Stock, IMCA Modified, IMCA Mod Lite | Results | | Mark Cogburn (Factory Stocks) | 4th | - | - | 2nd |
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| 10/23/2021 | Tri-State Speedway - Pocola, OK 42 Annual Spooker Honoring John Stand - Features Factory Stocks, A Modifieds, Midwest Modifieds, Street Stocks, USRA B-Mods, USRA Modifieds, USRA Factory Stocks, USRA Stock Cars | Results | | Mark Cogburn (Factory Stocks) | - | - | - | - | | Mark Cogburn (USRA Factory Stocks) | - | - | - | 9th |
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