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| 5/7/2021 | Hawkeye Downs Speedway - Cedar Rapids, IA Weekly Friday Night Racing - Opening Night Hobby Stocks, Sportsmans, Masters Legends, Hornets, Asphalt Sport Mods | Results | | Greg Hentrich (Sportsmans) | 7th (DNF) | - | - | 7th |
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| 5/14/2021 | Hawkeye Downs Speedway - Cedar Rapids, IA Weekly Friday Night Racing Asphalt Late Models, Hobby Stocks, Sportsmans, Masters Legends, Hornets, Asphalt Sport Mods | Results | | Greg Hentrich (Asphalt Late Models) | - | - | - | - | | Greg Hentrich (Sportsmans) | - | - | - | - |
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| 5/21/2021 | Hawkeye Downs Speedway - Cedar Rapids, IA Weekly Friday Night Racing Asphalt Late Models, Hobby Stocks, Sportsmans, Masters Legends, Hornets, Asphalt Sport Mods | Results | | Greg Hentrich (Asphalt Late Models) | - | - | - | 6th | | Greg Hentrich (Sportsmans) | 1st | - | - | 5th |
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| 6/4/2021 | Hawkeye Downs Speedway - Cedar Rapids, IA Weekly Friday Night Racing Sportsmans, Hornets, Asphalt Sport Mods, Pro Late Model | Results | | Greg Hentrich (Sportsmans) | 7th | - | - | 2nd |
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| 6/18/2021 | Hawkeye Downs Speedway - Cedar Rapids, IA Weekly Friday Night Racing Hobby Stocks, Sportsmans, Masters Legends, Vintage Full Body Stock Cars, Hornets, Asphalt Sport Mods | Results | | Greg Hentrich (Sportsmans) | 1st | - | - | 1st |
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| 6/25/2021 | Hawkeye Downs Speedway - Cedar Rapids, IA Weekly Friday Night Racing - MidSeason Champ Asphalt Late Models, Hobby Stocks, Sportsmans, Masters Legends, Hornets, Asphalt Sport Mods | Results | | Greg Hentrich (Sportsmans) | - | - | - | 3rd |
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| 7/16/2021 | Hawkeye Downs Speedway - Cedar Rapids, IA Weekly Friday Night Racing Hobby Stocks, Sportsmans, Masters Legends, Hornets | Results | | Greg Hentrich (Sportsmans) | 3rd | - | - | 4th |
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| 7/23/2021 | Hawkeye Downs Speedway - Cedar Rapids, IA Weekly Friday Night Racing Hobby Stocks, Sportsmans, Masters Legends, Hornets, Asphalt Sport Mods | Results | | Greg Hentrich (Sportsmans) | 1st | - | - | 5th |
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| 7/30/2021 | Hawkeye Downs Speedway - Cedar Rapids, IA Weekly Friday Night Racing - COPS Night Hobby Stocks, Sportsmans, Masters Legends, Hornets, Asphalt Sport Mods | Results | | Greg Hentrich (Sportsmans) | 3rd | - | - | 1st |
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| 8/6/2021 | Hawkeye Downs Speedway - Cedar Rapids, IA Weekly Friday Night Racing Hobby Stocks, Sportsmans, Masters Legends, Vintage Full Body Stock Cars, Hornets, Asphalt Sport Mods | Results | | Greg Hentrich (Sportsmans) | 5th | - | - | 3rd |
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| 8/13/2021 | Hawkeye Downs Speedway - Cedar Rapids, IA Weekly Friday Night Racing Asphalt Late Models, Hobby Stocks, Sportsmans, Masters Legends, Hornets, Asphalt Sport Mods | Results | | Greg Hentrich (Asphalt Late Models) | 5th | - | - | 5th | | Greg Hentrich (Sportsmans) | 3rd | - | - | 4th |
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| 8/20/2021 | Hawkeye Downs Speedway - Cedar Rapids, IA Weekly Friday Night Racing - Season Championships Hobby Stocks, Sportsmans, Young Guns, Masters Legends, Hornets, Asphalt Sport Mods | Results | | Greg Hentrich (Sportsmans) | - | - | - | 3rd |
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