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| 4/11/2018 | Lee County Speedway - Donnellson, IA Frostbuster Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Seth Janssen (Hobby Stocks) | 6th | - | - | 9th |
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| 4/12/2018 | Benton County Speedway - Vinton, IA 2018 Frost Buster Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Dwarf, Sport Compact | Results | | Seth Janssen (Hobby Stocks) | - | - | - | 19th |
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| 4/28/2018 | Boone Speedway - Boone, IA Saturday Night Series #2 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Seth Janssen (Hobby Stocks) | 6th | - | 2nd | 15th |
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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 | | Seth Janssen (USRA Hobby Stocks) | 5th | - | - | 18th |
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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 | | Seth Janssen (USRA Hobby Stocks) | - | - | - | 6th |
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| 5/28/2018 | Boone Speedway - Boone, IA IMCA Late Models: Deery Brothers Summer Series Hobby Stocks, B Modifieds, Street Stocks | Results | | Seth Janssen (Hobby Stocks) | 1st | - | - | 17th |
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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 | | Seth Janssen (USRA Hobby Stocks) | - | - | - | 5th |
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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 | | Seth Janssen (USRA Hobby Stocks) | - | - | - | 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 | | Seth Janssen (USRA Hobby Stocks) | 2nd | - | - | 8th |
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| 6/27/2018 | Hamilton County Speedway - Webster City, IA Boone River Bayou USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Seth Janssen (USRA Hobby Stocks) | 5th | - | - | 10th |
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| 7/3/2018 | Benton County Speedway - Vinton, IA Hogan Memorial Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Pro Legends, Dwarf, Sport Compact | Results | | Seth Janssen (Hobby Stocks) | - | - | - | 10th |
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| 7/7/2018 | Boone Speedway - Boone, IA Saturday Night Series #12 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Seth Janssen (Hobby Stocks) | 7th | - | - | 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 | | Seth Janssen (USRA Hobby Stocks) | 6th | - | - | 7th |
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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 | | Seth Janssen (USRA Hobby Stocks) | 1st | - | - | 1st |
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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 | | Seth Janssen (USRA Hobby Stocks) | 2nd | - | - | 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 | | Seth Janssen (USRA Hobby Stocks) | 2nd | - | - | 6th |
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| 8/4/2018 | Boone Speedway - Boone, IA Saturday Night Series #16 Hobby Stocks, Dirt Mini Trucks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Seth Janssen (Hobby Stocks) | 5th | - | - | 20th |
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| 9/3/2018 | Boone Speedway - Boone, IA 2018 IMCA Super Nationals IMCA Late Models: Deery Brothers Summer Series Hobby Stocks, B Modifieds | Results | | Seth Janssen (Hobby Stocks) | 2nd | - | - | - |
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| 9/4/2018 | Boone Speedway - Boone, IA 2018 IMCA Super Nationals Hobby Stocks, B Modifieds, Vintage Modifieds, Generic 1, Sport Compact | Results | | Seth Janssen (Hobby Stocks) | 7th | - | 9th | - |
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