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| 5/20/2018 | Buffalo River Speedway - Glyndon, MN Hobby Stocks, A Modifieds, B Modifieds, Pro Legends, Dwarf, Lightning Sprints, Sport Compact, Junior Slingshots, Super Slingshots | Results | | Mark Williams (Lightning Sprints) | 4th | - | - | 3rd |
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| 5/26/2018 | Greenbush Race Park - Greenbush, MN Opening Night Lightning Sprints, 600cc Modifieds, Sport Compact, Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock | Results | | Mark Williams (Lightning Sprints) | 5th | - | - | 8th |
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| 5/27/2018 | Buffalo River Speedway - Glyndon, MN NOSA Sprints 410 Sprints - Winged: Northern Outlaw Sprint Association Hobby Stocks, B Modifieds, Pro Legends, Lightning Sprints, Sport Compact, Junior Slingshots, Super Slingshots | Results | | Mark Williams (Lightning Sprints) | 4th | - | - | 8th |
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| 6/16/2018 | Greenbush Race Park - Greenbush, MN Dugan Nelson Memorial Lightning Sprints, Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock | Rain Out |
| 6/22/2018 | River Cities Speedway - Grand Forks, ND Greater Grand Forks Fair Week 410 Sprints - Winged: Northern Outlaw Sprint Association Winged A-Class, Lightning Sprints, WISSOTA Late Model | Results | | Mark Williams (Lightning Sprints) | 4th | - | - | 13th (DNF) |
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| 6/23/2018 | River Cities Speedway - Grand Forks, ND Greater Grand Forks Fair Week Winged A-Class, Semi-Pro Legends, Lightning Sprints, WISSOTA Modifieds | Rain Out |
| 6/24/2018 | Buffalo River Speedway - Glyndon, MN Hobby Stocks, A Modifieds, B Modifieds, Pro Legends, Dwarf, Lightning Sprints, Sport Compact, Junior Slingshots, Super Slingshots | Results | | Mark Williams (Lightning Sprints) | 5th | - | - | 10th |
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| 6/30/2018 | Greenbush Race Park - Greenbush, MN Lightning Sprints, Sport Compact, Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock | Results | | Mark Williams (Lightning Sprints) | 7th | - | - | 7th |
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| 7/1/2018 | Buffalo River Speedway - Glyndon, MN Regular Classes - No Mods Hobby Stocks, B Modifieds, Pro Legends, Dwarf, Lightning Sprints, Sport Compact, Junior Slingshots, Super Slingshots | Results | | Mark Williams (Lightning Sprints) | 7th | - | - | 8th |
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| 7/7/2018 | Greenbush Race Park - Greenbush, MN NOSA Outlaw Sprints 410 Sprints - Winged, Lightning Sprints, Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock | Results | | Mark Williams (Lightning Sprints) | 4th | - | - | 8th |
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| 7/8/2018 | Buffalo River Speedway - Glyndon, MN Hobby Stocks, A Modifieds, B Modifieds, Pro Legends, Dwarf, Lightning Sprints, Sport Compact, Junior Slingshots, Super Slingshots | Results | | Mark Williams (Lightning Sprints) | 5th | - | - | 5th |
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| 7/12/2018 | Tri County Speedway - Wishek, ND Fair Race Night 1 Hobby Stocks, Stock Cars, Young Lions Legends, Lightning Sprints, WISSOTA Midwest Mods, WISSOTA Street Stock | Results | | Mark Williams (Lightning Sprints) | 4th | - | - | 6th |
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| 7/13/2018 | Tri County Speedway - Wishek, ND Fair Race Night 2 Hobby Stocks, Stock Cars, Young Lions Legends, Lightning Sprints, WISSOTA Midwest Mods, WISSOTA Street Stock | Results | | Mark Williams (Lightning Sprints) | 5th | - | - | 8th |
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| 7/14/2018 | Jamestown Speedway - Jamestown, ND LIGHTNING SPRINTS A Modifieds, Lightning Sprints, Winged Crate Sprints, Pure Stock, All Star Slingshots, WISSOTA Midwest Mods, WISSOTA Street Stock, Junior Slingshots | Results | | Mark Williams (Winged Crate Sprints) | 4th | - | - | 5th |
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| 7/21/2018 | Greenbush Race Park - Greenbush, MN Chad Olson (Lightning Sprints) Memorial and Pure Stock Special Lightning Sprints, 600cc Modifieds, Sport Compact, Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds | Results | | Mark Williams (Lightning Sprints) | 3rd | - | - | 7th |
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| 7/22/2018 | Buffalo River Speedway - Glyndon, MN Hobby Stock Shootout Hobby Stocks, A Modifieds, B Modifieds, Pro Legends, Dwarf, Lightning Sprints, Sport Compact, Junior Slingshots, Super Slingshots | Results | | Mark Williams (Lightning Sprints) | 3rd | - | - | 7th |
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| 7/27/2018 | River Cities Speedway - Grand Forks, ND NLRA LAte Models A Modifieds, B Modifieds, Lightning Sprints, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock | Results | | Mark Williams (Lightning Sprints) | 6th | - | - | 9th |
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| 7/28/2018 | Greenbush Race Park - Greenbush, MN NLRA Wissota Late Models Lightning Sprints, Pure Stock, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock | Results | | Mark Williams (Lightning Sprints) | 2nd | - | - | 4th |
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| 8/12/2018 | Buffalo River Speedway - Glyndon, MN Regular Classes - No Mods Hobby Stocks, B Modifieds, Pro Legends, Dwarf, Lightning Sprints, Sport Compact, Junior Slingshots, Super Slingshots | Results | | Mark Williams (Lightning Sprints) | 5th | - | - | 7th |
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| 8/24/2018 | Red River Valley Speedway - West Fargo, ND Season Championship! Winged Sprints, Hobby Stocks, Stock Cars, A Modifieds, Semi-Pro Legends, Lightning Sprints, Limited Sport Mod | Results | | Mark Williams (Winged Sprints) | 7th | - | - | 11th |
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| 8/25/2018 | Greenbush Race Park - Greenbush, MN NLRA Wissota Late Models Lightning Sprints, Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock | Results | | Mark Williams (Lightning Sprints) | 6th | - | - | 8th |
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| 9/1/2018 | Greenbush Race Park - Greenbush, MN ROC Qualifier rain date Lightning Sprints, Sport Compact, Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock | Results | | Mark Williams (Lightning Sprints) | 4th | - | - | 5th |
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| 9/2/2018 | Greenbush Race Park - Greenbush, MN Points Championship Lightning Sprints, Sport Compact, Pure Stock, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock | Results | | Mark Williams (Lightning Sprints) | 2nd | - | - | 11th |
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| 9/14/2018 | River Cities Speedway - Grand Forks, ND Season Finale 410 Sprints - Winged: Northern Outlaw Sprint Association Stock Cars, Street Stocks, Lightning Sprints, Limited Sport Mod | Results | | Mark Williams (Lightning Sprints) | 4th | - | - | 8th |
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