| | Heat | Dash | B Feature | A Feature |
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| 1/8/2021 | Arizona Speedway - Queen Creek, AZ Open Practice Dirt Super Late Models, A Modifieds, B Modifieds | Results | | David Spriggs (A Modifieds) | - | - | - | - |
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| 1/16/2021 | Arizona Speedway - Queen Creek, AZ Dirt Super Late Models, A Modifieds, B Modifieds | Results | | David Spriggs (A Modifieds) | 12th | - | 29th | - |
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| 1/21/2021 | Arizona Speedway - Queen Creek, AZ Practice 410 Sprints - Winged: Wild Wing Shootout IMCA Modified | Results | | David Spriggs (IMCA Modified) | - | - | - | - |
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| 1/22/2021 | Arizona Speedway - Queen Creek, AZ 410 Sprints - Winged: Wild Wing Shootout IMCA Modified | Results | | David Spriggs (IMCA Modified) | 6th | - | 15th | - |
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| 2/27/2021 | Central Arizona Raceway - Casa Grande, AZ Weekly Racing Stock Cars, A Modifieds, B Modifieds, Pure Stock | Results | | David Spriggs (A Modifieds) | 7th | - | 4th | 17th |
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| 3/20/2021 | Arizona Speedway - Queen Creek, AZ Weekly Racing Hobby Stocks, Stock Cars, 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | David Spriggs (IMCA Modified) | 4th | - | - | 18th (DNF) |
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| 4/3/2021 | Arizona Speedway - Queen Creek, AZ 360 Sprints - Winged: ASCS Southwest Region Non-Winged Sprints: San Tan Ford ASCS Desert Sprint Car Series Hobby Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | David Spriggs (IMCA Modified) | 6th | - | 7th | 15th |
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| 5/29/2021 | Arizona Speedway - Queen Creek, AZ 9th Annual John Morris Classic Dirt Super Late Models, Hobby Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | David Spriggs (IMCA Modified) | 3rd | - | - | 9th |
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| 5/30/2021 | Arizona Speedway - Queen Creek, AZ 9th Annual John Morris Classic Dirt Super Late Models, Hobby Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | David Spriggs (IMCA Modified) | 3rd | - | - | 4th |
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| 9/18/2021 | Arizona Speedway - Queen Creek, AZ IMCA Championship Night Hobby Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | David Spriggs (IMCA Modified) | 4th | - | - | 7th (DNF) |
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| 9/25/2021 | Central Arizona Raceway - Casa Grande, AZ AZ Differential Stock Cars, A Modifieds, B Modifieds, Pure Stock | Results | | David Spriggs (A Modifieds) | 1st | - | - | 14th |
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| 10/16/2021 | Central Arizona Raceway - Casa Grande, AZ Weekly Racing at Central Arizona Speedway Stock Cars, A Modifieds, B Modifieds, Pure Stock | Results | | David Spriggs (A Modifieds) | 6th | - | - | 20th |
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| 11/6/2021 | Central Arizona Raceway - Casa Grande, AZ Night of Champions Stock Cars, A Modifieds, B Modifieds, Pure Stock | Results | | David Spriggs (A Modifieds) | 4th | - | - | 5th |
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| 11/19/2021 | Central Arizona Raceway - Casa Grande, AZ 8th Annual Desert Thunder Nationals A Modifieds, Restricted 'A' Class, Winged A-Class, B Modifieds, IMCA Modified, IMCA Stock Car | Results | | David Spriggs (A Modifieds) | 9th (DNF) | - | 16th | - |
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| 11/20/2021 | Central Arizona Raceway - Casa Grande, AZ 8th Annual Desert Thunder Nationals A Modifieds, Restricted 'A' Class, Winged A-Class, B Modifieds, IMCA Modified, IMCA Stock Car | Results | | David Spriggs (A Modifieds) | 9th | - | 8th | - |
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| 11/21/2021 | Central Arizona Raceway - Casa Grande, AZ 8th Annual Desert Thunder Nationals A Modifieds, Restricted 'A' Class, Winged A-Class, B Modifieds, IMCA Modified, IMCA Stock Car | Results | | David Spriggs (A Modifieds) | 9th | - | 12th (DNF) | - |
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