| | Heat | Dash | B Feature | A Feature |
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| 7/21/2018 | Elk City Motorsports Park - Elk City, OK Factory Stocks, Stock Cars, A Modifieds, Enduro, Limited Sport Mod | Results | | Jimmy Manharth (Limited Sport Mod) | 7th | - | - | 14th |
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| 7/27/2018 | Humboldt Speedway - Humboldt, KS B-mods vs Limited Modifieds Factory Stocks, Stock Cars, Midwest Modifieds, Limited Sport Mod, Sport Compact | Results | | Jimmy Manharth (Midwest Modifieds) | 9th (DNF) | - | DNS | - |
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| 7/28/2018 | Caney Valley Speedway - Caney, KS B-mods vs Limited Modifieds Midwest Modifieds, Limited Sport Mod | Results | | Jimmy Manharth (Midwest Modifieds) | 6th | - | 11th | - |
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| 9/9/2018 | Red Dirt Raceway - Meeker, OK No Wing Fling Asphalt Mini Stocks, Stock Non-Wing, B Modifieds, Hornets, Pure Stock | Results | | Jimmy Manharth (B Modifieds) | 5th | - | - | 15th |
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| 9/29/2018 | Salina Highbanks Speedway - Salina, OK OCRS AmeriFlex Challenge III presented by Grand National Trailer plus the Sooner Limited Mod Series Limited Sprints - Winged, Midwest Modifieds, Street Stocks | Results | | Jimmy Manharth (Midwest Modifieds) | 2nd | - | 2nd | 11th |
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| 10/5/2018 | Red Dirt Raceway - Meeker, OK 2018 Non-Winged Sprints: United Sprint League B Modifieds, Economy Sprints - Non Winged, Dwarf, Hornets, 600cc Modifieds, Pure Stock | Results | | Jimmy Manharth (B Modifieds) | 4th | - | - | 5th |
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| 10/28/2018 | Red Dirt Raceway - Meeker, OK 5th Annual Mark Robinson Memorial/Post Race Pit Party Asphalt Mini Stocks, Midwest Modifieds, Restricted 'A' Class, Stock Non-Wing, Hornets, Pure Stock | Results | | Jimmy Manharth (Midwest Modifieds) | 5th | - | 6th | 13th |
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