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| 7/31/2021 | Independence Motor Speedway - Independence, IA Weekly Racing DIRTcar Sport Compact, Hobby Stocks, Stock Cars, A Modifieds, Stock Non-Wing, B Modifieds, Dirt Late Models | Results | | Brett Maasdam (Stock Cars) | 8th | - | - | 11th (DNF) |
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| 8/20/2021 | Marshalltown Speedway - Marshalltown, IA Toby K's Hideaway Night Dwarf, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brett Maasdam (IMCA Stock Car) | 6th | - | - | 13th |
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| 8/22/2021 | Benton County Speedway - Vinton, IA Season Championship IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brett Maasdam (IMCA Stock Car) | 6th | - | - | 11th (DNF) |
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| 8/27/2021 | Sports Park Raceway - Fort Dodge, IA Season Championship Night and Tuff Trucks Super Truck, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Brett Maasdam (USRA Stock Cars) | 4th | - | - | 6th |
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| 9/11/2021 | I-35 Speedway - Winston, MO Generational Buildings "CARB Night" at the Races With SMVR Hobby Stocks, Midwest Modifieds, Dirt Late Models, Non-Winged Sprints, Vintage Full Body Stock Cars, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Brett Maasdam (USRA Stock Cars) | 3rd | - | - | 9th |
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| 9/30/2021 | Cedar County Raceway - Tipton, IA Hoker Trucking Darkside Fall Bash IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brett Maasdam (IMCA Stock Car) | 7th | - | - | 23rd | | Brett Maasdam (IMCA Hobby Stock) | 5th | - | - | 18th |
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| 10/1/2021 | Cedar County Raceway - Tipton, IA Hoker Trucking Darkside Fall Bash 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Brett Maasdam (IMCA Stock Car) | 8th | - | - | 15th | | Brett Maasdam (IMCA Hobby Stock) | 7th | - | - | 10th |
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| 10/2/2021 | Cedar County Raceway - Tipton, IA Hoker Trucking Darkside Fall Bash Street Stocks, Vintage Full Body Stock Cars, Super Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Brett Maasdam (IMCA Stock Car) | 3rd | - | - | 21st |
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| 10/15/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Iowa Dirt Nationals Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Semi-Pro Legends, Sport Compact, IMCA Modified | Results | | Brett Maasdam (Stock Cars) | 6th | - | - | 19th |
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| 10/16/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Iowa Dirt Nationals Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, 600cc Modifieds, Sport Compact, IMCA Modified | Results | | Brett Maasdam (Stock Cars) | 6th | - | - | 17th |
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| 10/30/2021 | I-35 Speedway - Winston, MO McCarthy Auto Group Championship Night at the Races Hobby Stocks, Midwest Modifieds, Dirt Late Models, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Brett Maasdam (USRA Stock Cars) | 6th | - | - | 10th |
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