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| 5/16/2018 | Hawkeye Downs Speedway - Cedar Rapids, IA Season Opener Asphalt Late Models, Hobby Stocks, Sportsmans, Masters Legends, Vintage Full Body Stock Cars, Hornets | Canceled |
| 5/25/2018 | Hawkeye Downs Speedway - Cedar Rapids, IA Asphalt Late Models, Hobby Stocks, Sportsmans, Masters Legends, Hornets | Results | | Greg Hentrich (Asphalt Late Models) | 6th | - | - | - | | Greg Hentrich (Sportsmans) | 1st | - | - | 5th |
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| 6/8/2018 | Hawkeye Downs Speedway - Cedar Rapids, IA Asphalt Late Models, Hobby Stocks, Sportsmans, Masters Legends, Hornets | Results | | Greg Hentrich (Asphalt Late Models) | 6th | - | - | 6th | | Greg Hentrich (Sportsmans) | 3rd | - | - | 3rd |
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| 6/22/2018 | Hawkeye Downs Speedway - Cedar Rapids, IA Iowa State Championship Asphalt Late Models, Hobby Stocks, Masters Legends, Sport Compact | Results | | Greg Hentrich (Asphalt Late Models) | 4th | - | - | 4th |
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| 7/20/2018 | Hawkeye Downs Speedway - Cedar Rapids, IA Asphalt Late Models, Hobby Stocks, Sportsmans, Masters Legends, Vintage Full Body Stock Cars, Hornets | Results | | Greg Hentrich (Sportsmans) | 2nd | - | - | 5th |
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| 7/27/2018 | Hawkeye Downs Speedway - Cedar Rapids, IA Asphalt Late Models, Hobby Stocks, Sportsmans, Masters Legends, Hornets | Results | | Greg Hentrich (Asphalt Late Models) | - | - | - | 6th | | Greg Hentrich (Sportsmans) | 2nd | - | - | 5th |
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| 8/3/2018 | Hawkeye Downs Speedway - Cedar Rapids, IA Asphalt Late Models, Hobby Stocks, Sportsmans, Masters Legends, Hornets | Results | | Greg Hentrich (Sportsmans) | 1st | - | - | 2nd |
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| 8/10/2018 | Hawkeye Downs Speedway - Cedar Rapids, IA Asphalt Late Models, Hobby Stocks, Sportsmans, Masters Legends, Vintage Full Body Stock Cars, Hornets | Results | | Greg Hentrich (Asphalt Late Models) | 7th | - | - | 5th | | Greg Hentrich (Sportsmans) | - | - | - | 3rd |
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| 8/17/2018 | Hawkeye Downs Speedway - Cedar Rapids, IA Asphalt Late Models, Hobby Stocks, Sportsmans, Masters Legends, Hornets | Results | | Greg Hentrich (Asphalt Late Models) | - | - | - | 7th | | Greg Hentrich (Sportsmans) | - | - | - | 6th |
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