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| 3/23/2018 | Humboldt Speedway - Humboldt, KS Mod Lites King of the Bullring Night 1 Factory Stocks, Stock Cars, B Modifieds, 600cc Modifieds, Limited Sport Mod | Results | | Jon Westhoff (Factory Stocks) | 1st | - | - | 1st |
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| 3/24/2018 | Humboldt Speedway - Humboldt, KS Mod Lites King of the Bullring Night 2 Factory Stocks, Stock Cars, B Modifieds, 600cc Modifieds, Limited Sport Mod | Results | | Jon Westhoff (Factory Stocks) | 1st | - | - | 4th |
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| 4/13/2018 | Humboldt Speedway - Humboldt, KS Hummertime Street Stock Stampede $1000 to win Factory Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Jon Westhoff (Factory Stocks) | 2nd | - | - | 1st |
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| 4/20/2018 | Humboldt Speedway - Humboldt, KS Rays Metal Depot Big Dog Bonus B-mod Buy in $500 to win Factory Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Jon Westhoff (Factory Stocks) | 1st | - | - | 1st |
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| 5/4/2018 | Humboldt Speedway - Humboldt, KS McCarthy Auto Group Modified Mania $1000 to Win Ncra Modified Challenge DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, A Modifieds, Midwest Modifieds, B Modifieds, Limited Sport Mod, Sport Compact | Results | | Jon Westhoff (Factory Stocks) | 4th | - | - | 2nd |
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| 5/9/2018 | Humboldt Speedway - Humboldt, KS ASCS National Tour 360 Sprints - Winged: ASCS National Factory Stocks, B Modifieds, Sport Compact | Results | | Jon Westhoff (Factory Stocks) | 1st | - | - | 1st |
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| 5/18/2018 | Humboldt Speedway - Humboldt, KS KIds Night at the races, all kids 10 & under get in free + Bicycle Races Factory Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Jon Westhoff (Factory Stocks) | 1st | - | - | 1st |
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| 6/1/2018 | Humboldt Speedway - Humboldt, KS Whitworth Memorial $1,500 to win B-Mods, Modifieds off this Night Factory Stocks, Stock Cars, B Modifieds, Sport Compact | Results | | Jon Westhoff (Factory Stocks) | 1st | - | - | 2nd |
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| 6/8/2018 | Humboldt Speedway - Humboldt, KS O'reilly Auto Parts Sport Compact Clash $200 to win Factory Stocks, A Modifieds, B Modifieds, Limited Sport Mod, Sport Compact | Results | | Jon Westhoff (Factory Stocks) | 1st | - | - | 2nd |
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| 6/22/2018 | Humboldt Speedway - Humboldt, KS Ncra Modified vs Nascar Modifieds (No Points) All other classes are points Nights DIRTcar UMP Modifieds, Stock Cars, A Modifieds, Midwest Modifieds, B Modifieds, Limited Sport Mod, Sport Compact | Results | | Jon Westhoff (Stock Cars) | 5th | - | - | 7th |
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| 6/28/2018 | Humboldt Speedway - Humboldt, KS Thirsty Thursday Triple Crown Challenge Ulma Late Models, No Modifieds Dirt Late Models: United Late Model Association Dirt Super Late Models, Factory Stocks, Stock Cars, B Modifieds, Sport Compact | Results | | Jon Westhoff (Factory Stocks) | 2nd | - | - | 1st |
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| 7/13/2018 | Humboldt Speedway - Humboldt, KS NCRA vs Ascs Red River Sprints + Bmods, Street Stocks, Factory Stocks and Sport Compact 360 Sprints - Winged: ASCS Red River Region Champ 360 Sprints - Winged, Factory Stocks, Stock Cars, B Modifieds, Sport Compact | Results | | Jon Westhoff (Factory Stocks) | 2nd | - | - | 1st |
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| 7/20/2018 | Humboldt Speedway - Humboldt, KS McMarthy Auto Group Big Dog Bonus Buy in $800 to win Modifieds, Mid season champions crowned Factory Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Jon Westhoff (Factory Stocks) | 4th | - | - | 12th (DNF) |
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| 7/27/2018 | Humboldt Speedway - Humboldt, KS B-mods vs Limited Modifieds Factory Stocks, Stock Cars, Midwest Modifieds, Limited Sport Mod, Sport Compact | Results | | Jon Westhoff (Factory Stocks) | 1st | - | - | 15th |
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| 8/3/2018 | Humboldt Speedway - Humboldt, KS Usmts Modifieds, No Sport Compact Factory Stocks, Stock Cars, B Modifieds | Results | | Jon Westhoff (Factory Stocks) | 3rd | - | - | 1st |
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| 8/10/2018 | Humboldt Speedway - Humboldt, KS Kids Night Candy Clash Factory Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Jon Westhoff (Factory Stocks) | 2nd | - | - | 1st |
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| 8/17/2018 | Humboldt Speedway - Humboldt, KS Whelen Engineering Veterans Night, No Modifieds + Mechanics Races Factory Stocks, Stock Cars, B Modifieds, Sport Compact | Results | | Jon Westhoff (Factory Stocks) | 2nd | - | - | 1st |
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| 9/9/2018 | Humboldt Speedway - Humboldt, KS Championship Night Factory Stocks, Stock Cars, A Modifieds, B Modifieds, 410 Sprints - Non-Winged, Limited Sport Mod, Sport Compact | Results | | Jon Westhoff (Factory Stocks) | 4th | - | - | 14th (DNF) |
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