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| 6/29/2018 | Fiesta City Speedway - Montevideo, MN Street Stock Special Factory Stocks, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Douglas Groenhoff (WISSOTA Street Stock) | 6th (DNF) | - | - | 18th (DNF) |
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| 6/30/2018 | Madison Speedway - Madison, MN Stock Cars, Economy Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Douglas Groenhoff (WISSOTA Street Stock) | 6th | - | - | 11th |
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| 7/7/2018 | Madison Speedway - Madison, MN Stock Cars, A Modifieds, B Modifieds, Economy Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Douglas Groenhoff (WISSOTA Street Stock) | 5th | - | - | 15th |
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| 7/14/2018 | Madison Speedway - Madison, MN Stock Cars, Economy Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Douglas Groenhoff (WISSOTA Street Stock) | 7th | - | - | 14th (DNF) |
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| 8/10/2018 | I-94 Speedway - Fergus Falls, MN USMTS SUMMERSOTA Special Event Economy Late Models, WISSOTA Midwest Mods, WISSOTA Street Stock | Results | | Douglas Groenhoff (WISSOTA Street Stock) | 7th | - | - | 13th (DNF) |
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| 8/11/2018 | Madison Speedway - Madison, MN Stock Cars, Economy Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Douglas Groenhoff (WISSOTA Street Stock) | 6th (DNF) | - | - | 10th |
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| 8/26/2018 | Casino Speedway - Watertown, SD 3rd Annual Sandy Benson Memorial USMTS Modified Tour A Modifieds, B Modifieds, WISSOTA Midwest Mods, WISSOTA Street Stock | Results | | Douglas Groenhoff (WISSOTA Street Stock) | 5th | - | - | 12th |
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