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| 5/5/2018 | Viking Speedway - Alexandria, MN 53rd Viking Speedway Season Opener Dirt Super Late Models, A Modifieds, B Modifieds, Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Kathy Tvrdik (Pure Stock) | 7th | - | - | 7th |
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| 5/12/2018 | Viking Speedway - Alexandria, MN Regular Night Racing Dirt Super Late Models, Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Kathy Tvrdik (Pure Stock) | 8th | - | - | 9th |
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| 5/19/2018 | Viking Speedway - Alexandria, MN Regular Night Racing Dirt Super Late Models, Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Kathy Tvrdik (Pure Stock) | 8th | - | - | 6th |
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| 5/26/2018 | Viking Speedway - Alexandria, MN Wissota Late Model Challenge Series- NO Midwest Mods WISSOTA Late Model: Wissota Late Model Challenge Series Dirt Super Late Models, Pure Stock, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Kathy Tvrdik (Pure Stock) | 10th (DNF) | - | - | 10th |
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| 5/27/2018 | Viking Speedway - Alexandria, MN Wissota Late Model Challenge Series-NO Midwest Mods WISSOTA Late Model: Wissota Late Model Challenge Series Dirt Super Late Models, Pure Stock, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Kathy Tvrdik (Pure Stock) | 8th (DNF) | - | - | 7th |
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| 6/9/2018 | Viking Speedway - Alexandria, MN Bob Gierke #26 Memorial Special~NO LIMITED LATE MODELS Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Kathy Tvrdik (Pure Stock) | 4th | - | - | 6th |
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| 6/16/2018 | Viking Speedway - Alexandria, MN Florian Sprinzel Street Stock Special-$1000 to win Dirt Super Late Models, Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Kathy Tvrdik (Pure Stock) | 6th (DNF) | - | - | 6th |
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| 6/23/2018 | Viking Speedway - Alexandria, MN 6th Ann. Mike Commerford Memorial Special Dirt Super Late Models, Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Kathy Tvrdik (Pure Stock) | 6th (DNF) | - | - | 6th (DNF) |
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| 6/30/2018 | Viking Speedway - Alexandria, MN Midwest Mod Special Dirt Super Late Models, Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Rain Out |
| 7/14/2018 | Viking Speedway - Alexandria, MN Regular Night Racing Dirt Super Late Models, Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Kathy Tvrdik (Pure Stock) | 5th | - | - | 5th |
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| 7/21/2018 | Viking Speedway - Alexandria, MN Regular Night Racing~ ROC QUALIFIER Dirt Super Late Models, Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Kathy Tvrdik (Pure Stock) | 8th | - | - | 8th |
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| 7/28/2018 | Viking Speedway - Alexandria, MN Regular Night Racing-JAM THE STANDS Dirt Super Late Models, Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Kathy Tvrdik (Pure Stock) | 5th | - | - | 5th |
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| 8/4/2018 | Viking Speedway - Alexandria, MN Hall of Fame Night-Kluver Super Stock Memorial Dirt Super Late Models, Vintage Full Body Stock Cars, Vintage Modifieds, Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Kathy Tvrdik (Pure Stock) | 8th | - | - | 8th (DNF) |
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| 8/11/2018 | Viking Speedway - Alexandria, MN 4th Annual Fallen Lineman Memorial Modified Special Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Kathy Tvrdik (Pure Stock) | 6th | - | - | 6th (DNF) |
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| 9/1/2018 | Viking Speedway - Alexandria, MN Northern Metal Recycling NLRA LM Dirt Super Late Models, Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock | Results | | Kathy Tvrdik (Pure Stock) | 5th | - | - | 5th |
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