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| 5/5/2018 | Hamilton County Speedway - Webster City, IA Season Opener USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Parker Slagle (USRA Stock Cars) | 6th | - | - | 7th |
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| 5/19/2018 | 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 | | Parker Slagle (USRA Stock Cars) | - | - | - | 5th |
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| 6/2/2018 | 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 | | Parker Slagle (USRA Stock Cars) | - | - | - | 8th |
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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 | | Parker Slagle (USRA Stock Cars) | - | - | - | 8th |
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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 | | Parker Slagle (USRA Stock Cars) | 6th | - | - | 10th |
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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 | | Parker Slagle (USRA Stock Cars) | 7th | - | - | 12th |
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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 | | Parker Slagle (USRA Stock Cars) | 1st | - | - | 4th |
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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 | | Parker Slagle (USRA Stock Cars) | 5th | - | - | 8th |
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| 7/17/2018 | Hamilton County Speedway - Webster City, IA USMTS A Modifieds: USMTS - United States Modified Touring Series USRA Stock Cars: USRA Ironman Dirt Super Late Models, USRA B-Mods, USRA Hobby Stocks | Results | | Parker Slagle (USRA Stock Cars) | 4th | - | - | 17th (DNF) |
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| 7/21/2018 | 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 | | Parker Slagle (USRA Stock Cars) | 4th | - | - | 8th |
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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 | | Parker Slagle (USRA Stock Cars) | 2nd | - | - | 2nd |
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| 8/9/2018 | Hancock County Speedway - Britt, IA Night of 1000 Stars presented by Doug Studer Farms & Brakke Imp. Hobby Stocks, Stock Cars, A Modifieds, B Modifieds | Results | | Parker Slagle (Stock Cars) | 6th (DNF) | - | - | 11th (DNF) |
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| 8/10/2018 | Hancock County Speedway - Britt, IA Night of 10,000 Stars Hobby Stocks, Stock Cars, A Modifieds, B Modifieds | Results | | Parker Slagle (Stock Cars) | 6th (DNF) | - | - | 16th |
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