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| 6/9/2018 | Hamilton County Speedway - Webster City, IA Weekly Racing Dirt Super Late Models, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Carey Umbarger (Dirt Super Late Models) | - | - | - | 4th |
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| 6/16/2018 | Hamilton County Speedway - Webster City, IA Weekly Racing Dirt Super Late Models, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Carey Umbarger (Dirt Super Late Models) | 7th | - | - | 6th |
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| 6/23/2018 | Hamilton County Speedway - Webster City, IA Weekly Racing Dirt Super Late Models, Dirt Pro Trucks, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Carey Umbarger (Dirt Super Late Models) | 6th | - | - | 7th |
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| 7/7/2018 | Hamilton County Speedway - Webster City, IA Weekly Racing Dirt Super Late Models, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Carey Umbarger (Dirt Super Late Models) | 5th | - | - | 7th |
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| 7/14/2018 | Hamilton County Speedway - Webster City, IA Weekly Racing Dirt Super Late Models, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Carey Umbarger (Dirt Super Late Models) | 6th | - | - | 7th |
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| 7/25/2018 | Hamilton County Speedway - Webster City, IA Wild Card Wednesday Dirt Super Late Models, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Carey Umbarger (Dirt Super Late Models) | - | - | - | 10th |
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