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| 4/27/2018 | Park Jefferson International Speedway - Jefferson, SD South Dakota Sprint Car Nationals 360 Sprints - Winged: Malvern Bank 360 Sprints with Midwest Sprint Touring Series, Nebraska 360 sprints 305 Sprints - Winged: IMCA RaceSaver Sprints Stock Cars, B Modifieds, Hornets | Results | | Mitch Dowhower (Stock Cars) | 1st | - | - | 7th |
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| 5/5/2018 | Park Jefferson International Speedway - Jefferson, SD SLMR-Super Late Models plus IMCA Weekly Racing-Road to the Iron Cup IMCA Sport Mods Dirt Super Late Models: SLMR Late Model Series 305 Sprints - Winged, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Mitch Dowhower (Stock Cars) | 3rd | - | - | 4th |
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| 5/24/2018 | Kossuth County Speedway - Algona, IA Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Street Stocks, Enduro, Sport Compact | Results | | Mitch Dowhower (Stock Cars) | - | - | - | - | | Mitch Dowhower (Street Stocks) | 1st | - | - | 9th |
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| 5/31/2018 | Kossuth County Speedway - Algona, IA Hawaiian Night Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Street Stocks, Enduro, Sport Compact | Results | | Mitch Dowhower (Stock Cars) | - | - | - | - | | Mitch Dowhower (Street Stocks) | 5th | - | - | 12th (DNF) |
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| 6/7/2018 | Kossuth County Speedway - Algona, IA Casey's Shoot Out & Cancer Special - Casey's Gift Card to winners Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Street Stocks, Enduro, Sport Compact | Results | | Mitch Dowhower (Street Stocks) | 3rd | - | - | 10th (DNF) |
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| 6/17/2018 | Clay County Fair Speedway - Spencer, IA 305 Sprint Night 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Sport Compact | Results | | Mitch Dowhower (Street Stocks) | 7th | - | - | 2nd |
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| 6/24/2018 | Clay County Fair Speedway - Spencer, IA Sport Mod Special Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Sport Compact | Rain Out |
| 6/27/2018 | Buena Vista Raceway - Alta, IA Hondo's Sales and Service & KCHE Radio- Sport Modified Special/ IMCA Weekly Racing Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Mitch Dowhower (Stock Cars) | 6th | - | - | 13th |
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| 7/1/2018 | Clay County Fair Speedway - Spencer, IA Stock Car Special Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Sport Compact | Results | | Mitch Dowhower (Street Stocks) | 1st | - | - | 6th |
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| 7/8/2018 | Clay County Fair Speedway - Spencer, IA Modified Special and Race Saver Sprints 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Sport Compact | Results | | Mitch Dowhower (Street Stocks) | 4th | - | - | 7th |
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| 7/15/2018 | Clay County Fair Speedway - Spencer, IA Sport Mod and Sport Compact Special Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Sport Compact | Results | | Mitch Dowhower (Street Stocks) | 3rd | - | - | 4th |
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| 7/20/2018 | Murray County Speedway - Slayton, MN Race Sponsor - State Farm of Slayton, Agent Kim Holm, Dominick Bruns Stock Car Race Hobby Stocks, Stock Cars, Dirt Mini Trucks, A Modifieds, B Modifieds, Sport Compact | Results | | Mitch Dowhower (Stock Cars) | 4th | - | - | 9th |
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| 7/22/2018 | Clay County Fair Speedway - Spencer, IA Kids Night 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Sport Compact | Results | | Mitch Dowhower (Street Stocks) | 7th (DNF) | - | - | 12th (DNF) |
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| 7/29/2018 | Clay County Fair Speedway - Spencer, IA Veterans Appreciation Night Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Sport Compact | Results | | Mitch Dowhower (Street Stocks) | 4th | - | - | 4th |
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| 8/9/2018 | Kossuth County Speedway - Algona, IA Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Enduro, Sport Compact | Results | | Mitch Dowhower (Street Stocks) | 2nd | - | - | 6th |
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| 8/12/2018 | Clay County Fair Speedway - Spencer, IA Championship Night Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Sport Compact | Results | | Mitch Dowhower (Street Stocks) | 2nd | - | - | 9th (DNF) |
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