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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 | | Mason Sigg (B Modifieds) | 5th | - | - | 14th (DNF) |
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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 | | Mason Sigg (B Modifieds) | 6th | - | - | 13th |
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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 | | Mason Sigg (B Modifieds) | 4th | - | - | 13th |
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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 | | Mason Sigg (B Modifieds) | 7th (DNF) | - | - | 11th |
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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 | | Mason Sigg (B Modifieds) | 3rd | - | - | 13th |
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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 | | Mason Sigg (B Modifieds) | 5th | - | - | 10th |
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