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| 4/25/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Dubuque Speedway Season Opener Hobby Stocks, A Modifieds, B Modifieds, IMCA Late Models, Sport Compact, Dirt Mini Late Models | Results | | John Campbell (A Modifieds) | 6th | - | - | 12th |
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| 5/2/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Badger's 85th Season Opener Badger Midgets: Badger Midget Auto Racing Association Hobby Stocks, A Modifieds, B Modifieds, IMCA Late Models | Results | | John Campbell (A Modifieds) | 6th | - | - | 10th |
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| 5/9/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Weekly Racing Hobby Stocks, A Modifieds, B Modifieds, IMCA Late Models, Sport Compact, Dirt Mini Late Models | Results | | John Campbell (A Modifieds) | 6th | - | - | 12th |
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| 5/12/2021 | 300 Raceway - Farley, IA Weekly Racing Stock Cars, A Modifieds, B Modifieds, IMCA Late Models | Results | | John Campbell (A Modifieds) | 7th | - | - | 14th |
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| 5/16/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Weekly Racing Fan Appreciation Night Hobby Stocks, A Modifieds, B Modifieds, Semi-Pro Legends, Economy Late Models, IMCA Late Models | Results | | John Campbell (A Modifieds) | 6th | - | - | 15th |
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| 5/23/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Weekly Racing Hobby Stocks, A Modifieds, B Modifieds, IMCA Late Models, Sport Compact, Dirt Mini Late Models | Results | | John Campbell (A Modifieds) | 8th | - | - | 14th |
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| 5/30/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Weekly Racing Hobby Stocks, A Modifieds, B Modifieds, Masters Legends, Economy Late Models, IMCA Late Models, Sport Compact | Results | | John Campbell (A Modifieds) | 6th | - | - | 14th |
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| 6/2/2021 | 300 Raceway - Farley, IA Real Country 99.3 KDST Weekly Racing Stock Cars, A Modifieds, B Modifieds, IMCA Late Models | Results | | John Campbell (A Modifieds) | 5th | - | - | 9th |
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| 6/6/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Weekly Racing Hobby Stocks, A Modifieds, B Modifieds, IMCA Late Models, Sport Compact, Dirt Mini Late Models | Results | | John Campbell (A Modifieds) | 7th | - | - | 18th |
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| 6/9/2021 | 300 Raceway - Farley, IA Cobra Lanes Weekly Racing In Memory of Randy Mackey Stock Cars, A Modifieds, B Modifieds, IMCA Late Models | Rain Out |
| 6/13/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Weekly Racing Hobby Stocks, A Modifieds, B Modifieds, Semi-Pro Legends, Economy Late Models, IMCA Late Models | Results | | John Campbell (A Modifieds) | 6th | - | - | 14th |
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| 7/4/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Very Good Chiropractic Weekly Racing Hobby Stocks, A Modifieds, B Modifieds, Masters Legends, Economy Late Models, IMCA Late Models | Results | | John Campbell (A Modifieds) | 5th | - | - | 19th |
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| 7/11/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA DGaul Farms Weekly Racing Hobby Stocks, A Modifieds, B Modifieds, Semi-Pro Legends, IMCA Late Models, Dirt Mini Late Models | Results | | John Campbell (A Modifieds) | 7th | - | - | 13th |
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| 7/18/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Link Hydraulics Weekly Racing Hobby Stocks, A Modifieds, B Modifieds, Economy Late Models, IMCA Late Models, Sport Compact | Results | | John Campbell (A Modifieds) | 6th | - | - | 13th |
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| 7/28/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Sprint Invaders - Dubuque Fairgrounds Speedway 360 Sprints - Winged: Sprint Invaders Hobby Stocks, A Modifieds, B Modifieds, Sport Compact | Results | | John Campbell (A Modifieds) | 6th | - | - | 16th |
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| 8/1/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Julien Dubuque Classic Fair Race Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, IMCA Late Models, Sport Compact, Dirt Mini Late Models | Results | | John Campbell (A Modifieds) | 7th | - | - | 17th |
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| 8/4/2021 | 300 Raceway - Farley, IA Harris Golf Cars / Cen-Pe-Co Lubricants Weekly Racing Stock Cars, A Modifieds, B Modifieds, IMCA Late Models | Results | | John Campbell (A Modifieds) | 8th | - | - | 10th |
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| 8/15/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Drew Cook & Sons Excavating & CALCO Spray Coatings Back to School Night Hobby Stocks, A Modifieds, B Modifieds, Semi-Pro Legends, IMCA Late Models, Sport Compact | Results | | John Campbell (A Modifieds) | 9th | - | - | 14th |
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| 8/18/2021 | Lafayette County Speedway - Darlington, WI Grant County Fair Race Vintage Full Body Stock Cars, Economy Late Models, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock | Results | | John Campbell (Sport Compact) | 1st | - | - | 11th |
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| 8/22/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA The Dubuque Advertiser Weekly Racing Hobby Stocks, A Modifieds, B Modifieds, Economy Late Models, IMCA Late Models, Dirt Mini Late Models | Results | | John Campbell (A Modifieds) | 6th | - | - | 10th |
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| 8/29/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA McDermott Excavating Season Championship Night Hobby Stocks, A Modifieds, B Modifieds, Masters Legends, IMCA Late Models, Sport Compact | Results | | John Campbell (A Modifieds) | 6th | - | - | 10th |
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| 9/1/2021 | 300 Raceway - Farley, IA Victory Ford Season Championship Night Stock Cars, A Modifieds, B Modifieds, IMCA Late Models | Results | | John Campbell (A Modifieds) | 6th | - | - | 10th |
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| 9/4/2021 | 300 Raceway - Farley, IA 300 Raceway - The Yankee - EAST/WEST Dirt Super Late Models: SLMR Late Model Series Stock Cars, A Modifieds, B Modifieds | Results | | John Campbell (A Modifieds) | 9th | - | 11th | - |
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| 9/23/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Dubuque Speedway - EAST Dirt Super Late Models: SLMR Late Model Series Hobby Stocks, A Modifieds, B Modifieds, Vintage Full Body Stock Cars, Vintage Modifieds | Results | | John Campbell (A Modifieds) | 8th | - | - | 15th |
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| 10/14/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Iowa Dirt Nationals Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, IMCA Late Models, IMCA Modified | Results | | John Campbell (A Modifieds) | 8th | - | 8th | - |
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| 10/15/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Iowa Dirt Nationals Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Semi-Pro Legends, Sport Compact, IMCA Modified | Results | | John Campbell (A Modifieds) | 8th | - | 9th | - |
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| 10/16/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Iowa Dirt Nationals Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, 600cc Modifieds, Sport Compact, IMCA Modified | Results | | John Campbell (A Modifieds) | 9th | - | 9th | - |
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| 11/20/2021 | Lee County Speedway - Donnellson, IA Casey's and Midwest Performance & Power Shiverfest Stock Cars, Dirt Mini Trucks, A Modifieds, B Modifieds, Dirt Late Models, Vintage Full Body Stock Cars, Sport Compact | Results | | John Campbell (A Modifieds) | 6th | - | - | 14th |
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