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| 3/5/2021 | All-Tech Raceway - Lake City, FL Half Mile Hustle Pure Stock, Dirt Crate Late Models | Results | | David Markham Jr (Dirt Crate Late Models) | 4th | - | - | 17th |
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| 3/20/2021 | All-Tech Raceway - Lake City, FL CRATE RACIN USA Street Stocks, CRUSA Dirt Late Models, Pure Stock, Dirt Crate Late Models | Results | | David Markham Jr (CRUSA Dirt Late Models) | 4th | - | - | 6th |
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| 4/24/2021 | All-Tech Raceway - Lake City, FL Spring - 50 Late Model Challenge Street Stocks, Dirt Late Models, Pure Stock, Dirt Crate Late Models | Results | | David Markham Jr (Dirt Late Models) | 8th | - | - | 13th |
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| 5/8/2021 | Needmore Speedway - Norman Park, GA 2nd Annual Gene Maine Memorial CRUSA Dirt Late Models: Crate Racin' USA Dirt Late Model Series Dirt Super Late Models | Results | | David Markham Jr (CRUSA Dirt Late Models) | 7th | - | 8th | - |
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| 5/15/2021 | All-Tech Raceway - Lake City, FL Southern Clash Late Model Street Stocks, Pro Late Model, Pure Stock, Dirt Crate Late Models | Results | | David Markham Jr (Pro Late Model) | - | - | - | 14th |
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| 5/22/2021 | Ocala Speedway - Ocala, FL Top Gun Sprint Cars v. Florida Late Model Challenge Series 360 Sprints - Winged: Top Gun Sprint Series Hobby Stocks: Dirts4Racing Street Stocks Dirt Late Models: Florida Late Model Challenge Series Street Stocks | Results | | David Markham Jr (Dirt Late Models) | 3rd | - | - | 8th |
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| 5/28/2021 | All-Tech Raceway - Lake City, FL Harvey Jones Memorial CRUSA Dirt Late Models: Crate Racin' USA Dirt Late Model Series Limited Modified | Results | | David Markham Jr (CRUSA Dirt Late Models) | 8th | - | - | - |
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| 5/29/2021 | All-Tech Raceway - Lake City, FL Harvey Jones Memorial CRUSA Dirt Late Models: Crate Racin' USA Dirt Late Model Series Vintage Modifieds, Pure Stock | Results | | David Markham Jr (CRUSA Dirt Late Models) | - | - | 6th | - |
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| 6/19/2021 | All-Tech Raceway - Lake City, FL CRATE RACIN USA Street Stocks, CRUSA Dirt Late Models, Pure Stock, Dirt Crate Late Models | Results | | David Markham Jr (CRUSA Dirt Late Models) | 7th | - | - | 15th |
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| 10/9/2021 | All-Tech Raceway - Lake City, FL CRATE RACIN USA Street Stocks, CRUSA Dirt Late Models, Pure Stock, Dirt Crate Late Models | Results | | David Markham Jr (CRUSA Dirt Late Models) | 3rd | - | - | 16th |
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| 10/22/2021 | All-Tech Raceway - Lake City, FL 26th Annual Powell Memorial CRUSA Dirt Late Models: Crate Racin' USA Dirt Late Model Series Dirt Super Late Models, Street Stocks | Results | | David Markham Jr (CRUSA Dirt Late Models) | 8th | - | - | - |
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| 10/23/2021 | All-Tech Raceway - Lake City, FL 26th Annual Powell Memorial CRUSA Dirt Late Models: Crate Racin' USA Dirt Late Model Series Dirt Super Late Models, Pure Stock | Results | | David Markham Jr (CRUSA Dirt Late Models) | - | - | 7th | - |
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| 11/13/2021 | All-Tech Raceway - Lake City, FL Harvest 100 CRUSA Dirt Late Models, Pure Stock | Results | | David Markham Jr (CRUSA Dirt Late Models) | 2nd | - | - | 7th |
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| 11/19/2021 | Needmore Speedway - Norman Park, GA Early Bird CRUSA Dirt Late Models: Crate Racin' USA Dirt Late Model Series Dirt Super Late Models | Results | | David Markham Jr (CRUSA Dirt Late Models) | - | - | 5th | - |
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| 11/20/2021 | Needmore Speedway - Norman Park, GA Early Bird CRUSA Dirt Late Models: Crate Racin' USA Dirt Late Model Series Dirt Super Late Models | Results | | David Markham Jr (CRUSA Dirt Late Models) | 7th | - | 4th | - |
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