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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 | | Jason Udelhofen (IMCA Late Models) | 5th | - | - | 5th |
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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 | | Jason Udelhofen (IMCA Late Models) | 6th | - | - | 9th |
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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 | | Jason Udelhofen (IMCA Late Models) | 5th | - | - | 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 | | Jason Udelhofen (IMCA Late Models) | 4th | - | - | 10th |
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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 | | Jason Udelhofen (IMCA Late Models) | 1st | - | - | 13th |
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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 | | Jason Udelhofen (IMCA Late Models) | 4th | - | - | 13th |
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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 | | Jason Udelhofen (IMCA Late Models) | 2nd | - | - | 8th |
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| 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 | | Jason Udelhofen (IMCA Late Models) | 3rd | - | - | 7th |
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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 | | Jason Udelhofen (IMCA Late Models) | 4th | - | - | 7th |
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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 | | Jason Udelhofen (IMCA Late Models) | 6th | - | - | 15th |
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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 | | Jason Udelhofen (IMCA Late Models) | 5th | - | - | 18th |
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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 | | Jason Udelhofen (IMCA Late Models) | 2nd | - | - | 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 | | Jason Udelhofen (IMCA Late Models) | 5th | - | - | 13th |
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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 | | Jason Udelhofen (IMCA Late Models) | 7th | - | - | 14th |
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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 | | Jason Udelhofen (IMCA Late Models) | 8th | - | - | 9th |
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