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| 5/25/2018 | Dacotah Speedway - Mandan, ND Mandan Dirt Series - Season Opener Hobby Stocks, A Modifieds, Semi-Pro Legends, Sport Compact, WISSOTA Street Stock | Results | | John Gartner Jr (Hobby Stocks) | 1st | - | - | 1st |
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| 5/26/2018 | Jamestown Speedway - Jamestown, ND Armed Forces Night A Modifieds, Pure Stock, All Star Slingshots, WISSOTA Midwest Mods, WISSOTA Street Stock, Junior Slingshots | Results | | John Gartner Jr (Pure Stock) | 3rd | - | - | 1st |
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| 6/7/2018 | Tri County Speedway - Wishek, ND 4th Race w/ Hobby Stock Tour Hobby Stocks, Stock Cars, Young Lions Legends, WISSOTA Midwest Mods, WISSOTA Street Stock | Results | | John Gartner Jr (Hobby Stocks) | 1st | - | - | 1st |
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| 6/8/2018 | Dacotah Speedway - Mandan, ND 40/40 Iron Man Challenge Hobby Stocks, A Modifieds, Semi-Pro Legends, Sport Compact, WISSOTA Street Stock | Results | | John Gartner Jr (Hobby Stocks) | 1st | - | - | 1st |
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| 6/9/2018 | Southwest Speedway - Dickinson, ND Regular Race Hobby Stocks, A Modifieds, Semi-Pro Legends, Limited Sport Mod, Sport Compact, WISSOTA Street Stock | Results | | John Gartner Jr (Hobby Stocks) | 1st | - | - | 1st |
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| 6/15/2018 | Dacotah Speedway - Mandan, ND Mandan Dirt Series Hobby Stocks, A Modifieds, Semi-Pro Legends, Sport Compact, WISSOTA Street Stock | Results | | John Gartner Jr (Hobby Stocks) | 1st | - | - | 1st |
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| 6/22/2018 | Dacotah Speedway - Mandan, ND Mandan Dirt Series Hobby Stocks, A Modifieds, Semi-Pro Legends, Sport Compact, WISSOTA Street Stock | Results | | John Gartner Jr (Hobby Stocks) | 1st | - | - | 3rd |
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| 6/29/2018 | Brown County Speedway - Aberdeen, SD Best Western USMTS Modified Showdown Pure Stock, WISSOTA Midwest Mods | Results | | John Gartner Jr (Pure Stock) | 3rd | - | - | 1st |
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| 6/30/2018 | Jamestown Speedway - Jamestown, ND Fair race B Modifieds, Sport Compact, Pure Stock, All Star Slingshots, Junior Slingshots | Dropped |
| 7/1/2018 | Sheyenne Speedway - Lisbon, ND 45th Anniversary - sponsored by WELTON'S TIRE SERVICE A Modifieds, B Modifieds, Sport Compact, Pure Stock, WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Super Stock | Results | | John Gartner Jr (Pure Stock) | 1st | - | - | 5th |
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| 7/20/2018 | Dacotah Speedway - Mandan, ND Mandan Dirt Series Hobby Stocks, A Modifieds, Semi-Pro Legends, Sport Compact, WISSOTA Street Stock | Results | | John Gartner Jr (Hobby Stocks) | 1st | - | - | 1st |
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| 7/21/2018 | Southwest Speedway - Dickinson, ND Wissota Race Of Champions Hobby Stocks, A Modifieds, Semi-Pro Legends, Limited Sport Mod, WISSOTA Street Stock | Results | | John Gartner Jr (Hobby Stocks) | 5th | - | - | 6th |
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| 7/27/2018 | Dacotah Speedway - Mandan, ND North Dakota Governor's Cup - Night 1 410 Sprints - Winged, Hobby Stocks, A Modifieds, Semi-Pro Legends, Sport Compact, WISSOTA Street Stock | Results | | John Gartner Jr (Hobby Stocks) | 1st | - | - | 1st |
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| 7/28/2018 | Dacotah Speedway - Mandan, ND North Dakota Governor's Cup - Night 2 410 Sprints - Winged, Hobby Stocks, A Modifieds, Semi-Pro Legends, Sport Compact, WISSOTA Street Stock | Results | | John Gartner Jr (Hobby Stocks) | 3rd | - | - | 6th |
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| 8/10/2018 | Dacotah Speedway - Mandan, ND Mandan Dirt Series Hobby Stocks, A Modifieds, Semi-Pro Legends, Sport Compact, WISSOTA Street Stock | Results | | John Gartner Jr (Hobby Stocks) | 3rd | - | - | 1st |
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| 8/17/2018 | Dacotah Speedway - Mandan, ND Mandan Dirt Series Hobby Stocks, A Modifieds, Semi-Pro Legends, Sport Compact, WISSOTA Street Stock | Results | | John Gartner Jr (Hobby Stocks) | 2nd | - | - | 2nd |
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| 8/24/2018 | Dacotah Speedway - Mandan, ND Mandan Dirt Series - Championship Night Hobby Stocks, A Modifieds, Semi-Pro Legends, Sport Compact, WISSOTA Street Stock | Results | | John Gartner Jr (Hobby Stocks) | 2nd | - | - | 1st | | John Gartner Jr (Sport Compact) | 6th | - | - | 12th |
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| 9/21/2018 | Jamestown Speedway - Jamestown, ND 47th ANNUAL STOCK CAR STAMPEDE night 1 A Modifieds, Midwest Modifieds, B Modifieds, Semi-Pro Legends, Pure Stock, All Star Slingshots, WISSOTA Midwest Mods, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock, Junior Slingshots | Results | | John Gartner Jr (Pure Stock) | 1st | - | - | 2nd |
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| 9/28/2018 | Dacotah Speedway - Mandan, ND Octoberfest Special Night 1 Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Semi-Pro Legends, Sport Compact | Results | | John Gartner Jr (Hobby Stocks) | 1st | - | - | 1st | | John Gartner Jr (A Modifieds) | 9th (DNF) | - | - | 16th |
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| 9/29/2018 | Southwest Speedway - Dickinson, ND Octoberfest Special Hobby Stocks, A Modifieds, Semi-Pro Legends, Limited Sport Mod, Sport Compact, WISSOTA Street Stock | Rain Out |