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| 4/17/2021 | Hamilton County Speedway - Webster City, IA Malvern Bank $3,000-to-Win Late Models Dirt Super Late Models: SLMR Late Model Series USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Nate Parkhill (USRA Hobby Stocks) | 7th | - | - | 15th |
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| 4/24/2021 | Hamilton County Speedway - Webster City, IA Modified Madness $2,000-to-Win Mods A Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Nate Parkhill (USRA Hobby Stocks) | 5th | - | - | 11th |
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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 | | Nate Parkhill (USRA Hobby Stocks) | 6th | - | - | 8th |
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| 5/22/2021 | Hamilton County Speedway - Webster City, IA Bob Flaws Memorial + Stock Car Challenge $1,600-to-Win USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Nate Parkhill (USRA Hobby Stocks) | 7th | - | - | 15th |
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| 6/5/2021 | Hamilton County Speedway - Webster City, IA USMTS $10,000-to-Win A Modifieds: USMTS - United States Modified Touring Series USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Nate Parkhill (USRA Hobby Stocks) | 6th | - | - | 13th (DNF) |
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| 6/12/2021 | Hamilton County Speedway - Webster City, IA Karl Chevrolet Fan Appreciation Night + Kid's Night Dirt Super Late Models, Super Truck, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Nate Parkhill (USRA Hobby Stocks) | 4th | - | - | 11th |
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| 6/19/2021 | Hamilton County Speedway - Webster City, IA Malvern Bank SLMR Bill Rice Memorial $3,000-to-Win Late Models Dirt Super Late Models: SLMR Late Model Series USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Nate Parkhill (USRA Hobby Stocks) | 4th | - | - | 12th |
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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 | | Nate Parkhill (USRA Hobby Stocks) | 8th | - | - | 7th |
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| 7/21/2021 | Hamilton County Speedway - Webster City, IA Wildcard Wednesday Presented by Peoples Credit Union Dirt Super Late Models, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Nate Parkhill (USRA Hobby Stocks) | 6th | - | - | 11th |
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| 7/24/2021 | Hamilton County Speedway - Webster City, IA Kids Night At The Fair Presented by Good Life RV Dirt Super Late Models, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Nate Parkhill (USRA Hobby Stocks) | 8th | - | - | 9th |
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| 7/31/2021 | Hamilton County Speedway - Webster City, IA USRA Weekly Racing Presented by D&B Agro USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Nate Parkhill (USRA Hobby Stocks) | 6th | - | - | 11th |
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| 8/7/2021 | Hamilton County Speedway - Webster City, IA Napa Auto Parts USRA Weekly Racing + Hobby Stock Special Super Truck, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Nate Parkhill (USRA Hobby Stocks) | 7th | - | - | 9th |
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| 8/28/2021 | Hamilton County Speedway - Webster City, IA Karl Chevrolet Driver Appreciation Night A Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Nate Parkhill (USRA Hobby Stocks) | 6th | - | - | 12th |
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| 9/18/2021 | Deer Creek Speedway - Spring Valley, MN Stock Car Nationals USRA Hobby Stocks, USRA Stock Cars | Results | | Nate Parkhill (USRA Hobby Stocks) | 3rd | - | 7th | - |
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