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| 5/15/2021 | Hamilton County Speedway - Webster City, IA Kid's Night + $1,000-to-Win Mods USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Carey Umbarger (USRA Modifieds) | 7th | - | - | 15th |
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| 6/11/2021 | Hancock County Speedway - Britt, IA Trulson Auto Parts / Hillenga Seeds Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, 600cc Modifieds, Sport Compact | Results | | Carey Umbarger (A Modifieds) | 7th | - | - | DNS |
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| 6/22/2021 | Hancock County Speedway - Britt, IA MAXYIELD SPORT MOD NATIONALS $2,500 to WIN Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Carey Umbarger (A Modifieds) | 5th | - | - | 9th |
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| 7/16/2021 | Hancock County Speedway - Britt, IA $1000 To Win Stock Cars Sponsored by H&K Plumbing and Sawyer Contracting LLC Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Carey Umbarger (A Modifieds) | 7th | - | - | 7th |
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| 7/17/2021 | Hamilton County Speedway - Webster City, IA Casey's Salute The Troops + HCPOA Night Dirt Super Late Models, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Carey Umbarger (USRA Modifieds) | 8th | - | - | 13th |
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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 | | Carey Umbarger (USRA Modifieds) | 5th (DNF) | - | - | 10th (DNF) |
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| 10/3/2021 | Mason City Motor Speedway - Mason City, IA Fall Frenzy USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Carey Umbarger (USRA Modifieds) | DNS | - | - | DNS |
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| 10/16/2021 | Mason City Motor Speedway - Mason City, IA Five Star Classic 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Carey Umbarger (USRA Modifieds) | 3rd | - | - | 15th |
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| 10/17/2021 | Mason City Motor Speedway - Mason City, IA Five Star Classic 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Carey Umbarger (USRA Modifieds) | 5th | - | - | 15th (DNF) |
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