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| 5/1/2021 | 34 Raceway - West Burlington, IA 101.7 The Bull Night 305 Sprints - Winged, Stock Cars, A Modifieds, Dirt Late Models, Limited Sport Mod, Sport Compact | Results | | Brandon Rothzen (Dirt Late Models) | DNS | - | - | 6th |
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| 5/14/2021 | Lee County Speedway - Donnellson, IA Driver For 5 Qualifier IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Brandon Rothzen (IMCA Late Models) | 4th | - | - | 7th |
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| 6/5/2021 | 34 Raceway - West Burlington, IA George's Lawnmower presents Hoker Trucking SLMR Late Model Series Dirt Super Late Models: SLMR Late Model Series Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Brandon Rothzen (Dirt Super Late Models) | 8th | - | - | 19th |
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| 6/12/2021 | 34 Raceway - West Burlington, IA Pepsi $5 Fan Appreciation Night Dirt Super Late Models, Stock Cars, A Modifieds, Dirt Late Models, 2WD Trucks, Limited Sport Mod, Sport Compact | Results | | Brandon Rothzen (Dirt Late Models) | 6th | - | - | 7th |
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| 7/2/2021 | Lee County Speedway - Donnellson, IA Pilot Grove Savings Bank Driver For 5 Qualifier IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Brandon Rothzen (IMCA Late Models) | 6th | - | - | 22nd |
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| 7/3/2021 | 34 Raceway - West Burlington, IA Lucas Oil MLRA Dirt Super Late Models: Lucas Oil MLRA Stock Cars, A Modifieds, 2WD Trucks, Sport Compact | Results | | Brandon Rothzen (Dirt Super Late Models) | 8th (DNF) | - | - | 23rd (DNF) |
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| 7/6/2021 | Knox County Fairgrounds - Knoxville, IL DIRTCAR SUMMER NATIONALS DIRTcar Late Models: DIRTcar Summer Nationals DIRTcar UMP Modifieds: DIRTcar Modified Nationals | Results | | Brandon Rothzen (DIRTcar Late Models) | 7th | - | - | 11th |
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| 8/19/2021 | CJ Speedway - Columbus Junction, IA SLMRA Late Models Plus Imca Sport Mods, Imca Stock Cars and Imca Modified Dirt Super Late Models: SLMR Late Model Series IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Brandon Rothzen (Dirt Super Late Models) | 9th | - | - | 23rd |
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| 8/28/2021 | 34 Raceway - West Burlington, IA Pepsi Season Championship - $5 Fan Appreciation 305 Sprints - Winged, Stock Cars, A Modifieds, Dirt Late Models, 2WD Trucks, Limited Sport Mod, Sport Compact | Results | | Brandon Rothzen (Dirt Late Models) | 5th | - | - | 2nd |
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| 8/29/2021 | East Moline Speedway - East Moline, IL Season Championship All Classes Street Stocks, IMCA Late Models, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock, Mod Lites | Results | | Brandon Rothzen (IMCA Late Models) | 5th | - | - | 3rd |
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| 9/6/2021 | Boone Speedway - Boone, IA 2021 IMCA Speedway Motors Super Nationals Fueled by Casey’s IMCA Late Models, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Brandon Rothzen (IMCA Late Models) | 4th | - | 2nd | 6th |
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| 10/8/2021 | Lee County Speedway - Donnellson, IA Casey's Harvest Hustle Night 1 Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Brandon Rothzen (Dirt Late Models) | - | - | - | 19th |
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