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| 4/23/2021 | Davenport Speedway - Davenport, IA Koehler Electric Season Opener A Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Sport Compact | Results | | Jeremy Gustaf (B Modifieds) | 4th | - | - | 10th |
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| 4/30/2021 | Davenport Speedway - Davenport, IA Davenport Speedway Weekly Racing A Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Sport Compact | Results | | Jeremy Gustaf (B Modifieds) | 2nd | - | - | 1st |
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| 5/7/2021 | Davenport Speedway - Davenport, IA Davenport Speedway Weekly Racing A Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Sport Compact, IMCA Modified | Results | | Jeremy Gustaf (B Modifieds) | 2nd | - | - | 4th |
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| 7/1/2021 | Davenport Speedway - Davenport, IA DIRTcar Summer Nationals Hell Tour DIRTcar Late Models: DIRTcar Summer Nationals A Modifieds, Street Stocks, Dirt Late Models | Results | | Jeremy Gustaf (A Modifieds) | 8th | - | - | 14th |
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| 7/9/2021 | Davenport Speedway - Davenport, IA Davenport Speedway Weekly Racing A Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Vintage Modifieds, Sport Compact | Rain Out |
| 7/16/2021 | Davenport Speedway - Davenport, IA Davenport Speedway Weekly Racing A Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Sport Compact, Mod Lites | Results | | Jeremy Gustaf (A Modifieds) | 4th | - | - | 20th |
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| 7/23/2021 | Davenport Speedway - Davenport, IA Davenport Speedway Weekly Racing A Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Vintage Modifieds, Sport Compact | Results | | Jeremy Gustaf (A Modifieds) | 5th | - | - | 13th |
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| 8/13/2021 | Davenport Speedway - Davenport, IA Ronnie Weedon Memorial Weekly Racing Sportsmans, A Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Sport Compact | Results | | Jeremy Gustaf (A Modifieds) | 7th | - | 7th | - |
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| 8/14/2021 | Maquoketa Speedway - Maquoketa, IA Season Championship w/ Bus ROC Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Jeremy Gustaf (IMCA Modified) | 5th | - | - | 3rd |
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| 8/20/2021 | Davenport Speedway - Davenport, IA Davenport Speedway Season Championship A Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Sport Compact | Results | | Jeremy Gustaf (A Modifieds) | 1st | - | - | 10th |
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| 8/21/2021 | Maquoketa Speedway - Maquoketa, IA Maquoketa Speedway - EAST Dirt Super Late Models: SLMR Late Model Series Vintage Full Body Stock Cars, IMCA Modified, IMCA Northern SportMod, IMCA Sport Compact | Results | | Jeremy Gustaf (IMCA Modified) | 3rd | - | - | 5th |
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| 8/26/2021 | Davenport Speedway - Davenport, IA Quad Cities 150 presented by Hoker Trucking Dirt Super Late Models: World of Outlaws - Late Models A Modifieds, B Modifieds, IMCA Modified | Results | | Jeremy Gustaf (A Modifieds) | 7th | - | 3rd | 15th |
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| 8/27/2021 | Davenport Speedway - Davenport, IA Quad Cities 150 presented by Hoker Trucking Dirt Super Late Models: World of Outlaws - Late Models A Modifieds, B Modifieds, IMCA Modified | Results | | Jeremy Gustaf (A Modifieds) | 5th | - | 4th | 19th |
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| 8/28/2021 | Davenport Speedway - Davenport, IA Quad Cities 150 presented by Hoker Trucking Dirt Super Late Models: World of Outlaws - Late Models A Modifieds, B Modifieds, IMCA Modified | Results | | Jeremy Gustaf (A Modifieds) | 4th | - | - | 18th |
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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 | | Jeremy Gustaf (A Modifieds) | 5th | - | 4th | 24th |
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| 11/6/2021 | CJ Speedway - Columbus Junction, IA 5th Annual Turkey Dash IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Jeremy Gustaf (IMCA Modified) | 5th | - | - | 13th |
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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 | | Jeremy Gustaf (A Modifieds) | 6th | - | - | DNS |
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