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| 4/17/2021 | Maquoketa Speedway - Maquoketa, IA Season Opener w/ Midwest Jalopies Pro Legends, Vintage Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Randy Butterbrodt (IMCA Northern SportMod) | 3rd | - | - | 17th |
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| 5/8/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing with AIRS Pro Legends, Vintage Full Body Stock Cars, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Rain Out |
| 5/15/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing $750 to win IMCA Stock Cars Pro Legends, Vintage Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Randy Butterbrodt (IMCA Northern SportMod) | 1st | - | - | 17th |
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| 5/22/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing w/ AIRS Pro Legends, Vintage Full Body Stock Cars, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Randy Butterbrodt (IMCA Northern SportMod) | 1st | - | - | 6th |
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| 5/29/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing w/ School Bus Races Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Randy Butterbrodt (IMCA Northern SportMod) | 3rd | - | - | 21st |
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| 6/6/2021 | Benton County Speedway - Vinton, IA IMCA Weekly Racing Plus Legends Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Randy Butterbrodt (IMCA Northern SportMod) | 7th | - | - | 20th |
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| 6/12/2021 | Maquoketa Speedway - Maquoketa, IA Del Gade Memorial Race w/ AIRS Pro Legends, Vintage Full Body Stock Cars, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Randy Butterbrodt (IMCA Northern SportMod) | 4th | - | - | 8th |
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| 7/3/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing w/ Bus Races Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Randy Butterbrodt (IMCA Northern SportMod) | 1st | - | - | 4th |
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| 7/11/2021 | Benton County Speedway - Vinton, IA Urbana 5 - Weekly IMCA Racing Plus Legends Cars Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Randy Butterbrodt (IMCA Northern SportMod) | 8th | - | 14th | - |
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| 7/17/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing $500 to win IMCA Hobby Stocks Pro Legends, Vintage Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Randy Butterbrodt (IMCA Northern SportMod) | 5th | - | 9th | - |
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| 9/5/2021 | Boone Speedway - Boone, IA Wild Rose Casino Prelude to the Super Nationals IMCA Northern SportMod, IMCA Hobby Stock, IMCA Sport Compact, Pro Dwarf, IMCA Mod Lite | Results | | Randy Butterbrodt (IMCA Northern SportMod) | 9th (DNF) | - | 12th (DNF) | - |
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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 | | Randy Butterbrodt (IMCA Northern SportMod) | 8th | - | - | - |
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| 9/7/2021 | Boone Speedway - Boone, IA 2021 IMCA Speedway Motors Super Nationals Fueled by Casey’s Vintage Modifieds, Generic 1, IMCA Northern SportMod, IMCA Hobby Stock, IMCA Sport Compact | Results | | Randy Butterbrodt (IMCA Northern SportMod) | 7th | - | 14th (DNF) | - |
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