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| 4/24/2021 | Rapid Speedway - Rock Rapids, IA Test N Tune 360 Sprints - Winged, DIRTcar Late Models, DIRTcar Sportsmans, Economy Late Models, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, IMCA RaceSaver Sprint Car | Results | | Brad TeGrotenhuis (USRA Stock Cars) | - | - | - | - |
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| 4/30/2021 | Rapid Speedway - Rock Rapids, IA Weekly Racing Series + 305 Sprints DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, IMCA RaceSaver Sprint Car | Results | | Brad TeGrotenhuis (USRA Stock Cars) | 4th | - | - | 10th |
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| 5/7/2021 | Rapid Speedway - Rock Rapids, IA Rapid Speedway - WEST Dirt Super Late Models: SLMR Late Model Series DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Brad TeGrotenhuis (USRA Stock Cars) | 8th | - | 6th | - |
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| 5/21/2021 | Rapid Speedway - Rock Rapids, IA Weekly Racing Series + 360 Sprints 360 Sprints - Winged, DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Brad TeGrotenhuis (USRA Stock Cars) | 2nd | - | - | 8th |
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| 5/28/2021 | Rapid Speedway - Rock Rapids, IA 13th Annual USMTS Rapid Rumble A Modifieds: USMTS - United States Modified Touring Series DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Brad TeGrotenhuis (USRA Stock Cars) | 4th | - | - | 12th |
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| 6/4/2021 | Rapid Speedway - Rock Rapids, IA Mark Lloyd Memorial DIRTcar Late Models, DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Brad TeGrotenhuis (USRA Stock Cars) | 4th | - | - | 13th |
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| 6/11/2021 | Rapid Speedway - Rock Rapids, IA $1,500 to win at Rapid Speedway Dirt Late Models: Tri-State Late Models DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Brad TeGrotenhuis (USRA Stock Cars) | 6th | - | - | 11th |
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| 6/16/2021 | Buena Vista Raceway - Alta, IA Jimmy Squibb Memorial Race Hobby Stocks, Stock Cars, B Modifieds, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brad TeGrotenhuis (IMCA Stock Car) | - | - | - | 9th |
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| 6/18/2021 | Rapid Speedway - Rock Rapids, IA MSTS at Rapid Speedway with Power Series 360 Sprints - Winged: Midwest Power Series DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Brad TeGrotenhuis (USRA Stock Cars) | 5th | - | - | 11th |
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| 6/23/2021 | Buena Vista Raceway - Alta, IA Hobby Stocks, Stock Cars, B Modifieds, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brad TeGrotenhuis (IMCA Stock Car) | 5th | - | - | 11th |
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| 6/25/2021 | Rapid Speedway - Rock Rapids, IA Weekly Racing Series + A-Mod Special (Kids with Cancer Night) DIRTcar Sportsmans, A Modifieds, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Brad TeGrotenhuis (USRA Stock Cars) | 7th | - | - | 13th |
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| 7/9/2021 | Rapid Speedway - Rock Rapids, IA Weekly Racing Series + 305 Sprints DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, IMCA RaceSaver Sprint Car | Results | | Brad TeGrotenhuis (USRA Stock Cars) | 7th (DNF) | - | - | 9th |
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| 7/16/2021 | Rapid Speedway - Rock Rapids, IA B-Mod Special DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Brad TeGrotenhuis (USRA Stock Cars) | 4th | - | - | 14th |
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| 7/17/2021 | Worthington Speedway - Worthington, MN Regular Night Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brad TeGrotenhuis (Stock Cars) | 5th | - | - | 8th |
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| 7/23/2021 | Rapid Speedway - Rock Rapids, IA Weekly Racing Series DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Brad TeGrotenhuis (USRA Stock Cars) | 6th | - | - | 11th |
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| 7/24/2021 | Worthington Speedway - Worthington, MN Regular Night Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brad TeGrotenhuis (Stock Cars) | 8th | - | - | 8th |
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| 8/6/2021 | Rapid Speedway - Rock Rapids, IA Dave Mulder Memorial DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Brad TeGrotenhuis (USRA Stock Cars) | 5th | - | - | 14th |
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| 8/13/2021 | Rapid Speedway - Rock Rapids, IA $1,500 to win at Rapid Speedway Dirt Late Models: Tri-State Late Models DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Brad TeGrotenhuis (USRA Stock Cars) | 6th | - | - | 13th |
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| 8/19/2021 | Kossuth County Speedway - Algona, IA Season Championship B Modifieds, Street Stocks, Enduro, IMCA Modified, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brad TeGrotenhuis (Street Stocks) | 6th | - | - | 12th |
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| 8/21/2021 | Worthington Speedway - Worthington, MN Regular Night Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brad TeGrotenhuis (Stock Cars) | 6th | - | - | 14th |
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| 8/28/2021 | Worthington Speedway - Worthington, MN Season Championship Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brad TeGrotenhuis (Stock Cars) | 6th | - | - | 10th |
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| 9/3/2021 | Interstate Speedway (SD) - Jefferson, SD Agrivision Equipment Night Dirt Late Models: Tri-State Late Models IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brad TeGrotenhuis (IMCA Stock Car) | 6th | - | - | 11th |
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| 9/17/2021 | Rapid Speedway - Rock Rapids, IA Rapid Speedway Nationals USRA Hobby Stocks, USRA Stock Cars, IMCA RaceSaver Sprint Car | Results | | Brad TeGrotenhuis (USRA Stock Cars) | 7th | - | - | 21st (DNF) |
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| 9/19/2021 | Worthington Speedway - Worthington, MN King Turkey Day Races Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Sport Compact | Results | | Brad TeGrotenhuis (Stock Cars) | 5th | - | - | 15th |
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| 9/26/2021 | Interstate Speedway (SD) - Jefferson, SD Season Championship IMCA Racing IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brad TeGrotenhuis (IMCA Stock Car) | 6th | - | - | 11th |
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