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| 5/18/2018 | Red Cedar Speedway - Menomonie, WI Regular Race-Plus Kid's Club Presented By: Thunderhill Speedway, Trail Dodge, Tri-Mart Hornets, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock | Results | | David Groboski (Hornets) | 6th | - | - | 9th |
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| 6/8/2018 | Red Cedar Speedway - Menomonie, WI Race of Champions Qualifier Presented By: ServPro Of Barron, Rusk & Dunn Counties. Hornets, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock | Results | | David Groboski (Hornets) | 5th | - | - | 11th |
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| 7/20/2018 | Red Cedar Speedway - Menomonie, WI Advantage Rv Mod Series Special w Kids Club Presented By: Dean & Sues Bar Grill & Design Built Struc Hornets, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Super Stock | Results | | David Groboski (Hornets) | 7th | - | - | 16th (DNF) |
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| 7/26/2018 | Red Cedar Speedway - Menomonie, WI Dunn County Fair Night #1 Hornet Enduro, Xcel Mini Mods & Limited Late Models Dirt Super Late Models, Hornets, 600cc Modifieds | Results | | David Groboski (Hornets) | - | - | 5th | 6th |
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| 8/10/2018 | Red Cedar Speedway - Menomonie, WI Kids Club~Race Of Champion Rain Date Presented By: Snap-On Aaron Wold & Quality Auto Body Hornets, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock | Results | | David Groboski (Hornets) | 6th | - | - | 10th |
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| 9/13/2018 | Cedar Lake Speedway - New Richmond, WI Legendary 100 Non-point Show 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series Street Stocks, Hornets, Pure Stock, USRA Late Models | Results | | David Groboski (Hornets) | - | - | - | 8th |
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