| | Heat | Dash | B Feature | A Feature |
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| 4/20/2018 | Riverside International Speedway - West Memphis, AR World of Outlaws 410 Sprints - Winged: World of Outlaws Stock Cars, Dirt Late Models | Results | | Lynn Irwin (Dirt Late Models) | 8th | - | - | 6th |
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| 5/12/2018 | Riverside International Speedway - West Memphis, AR 305 Sprints - Winged, Stock Cars, A Modifieds, Winged A-Class, Dirt Late Models | Results | | Lynn Irwin (A Modifieds) | 6th | - | - | DNS | | Lynn Irwin (Dirt Late Models) | 4th | - | - | 5th |
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| 6/2/2018 | Riverside International Speedway - West Memphis, AR USCS Race Special 360 Sprints - Winged: USCS United Sprint Car Series 305 Sprints - Winged: MidSouth Sprint Car Association Stock Cars, Dirt Late Models | Results | | Lynn Irwin (Dirt Late Models) | 5th | - | - | 9th |
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| 6/9/2018 | Riverside International Speedway - West Memphis, AR All Star Modified Special Stock Cars, A Modifieds, Winged A-Class, Dirt Late Models | Results | | Lynn Irwin (Dirt Late Models) | 7th | - | - | 7th |
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| 6/16/2018 | Riverside International Speedway - West Memphis, AR 305 Sprints - Winged, Stock Cars, A Modifieds, Winged A-Class, Dirt Late Models | Results | | Lynn Irwin (Dirt Late Models) | 1st | - | - | 9th |
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| 6/23/2018 | Riverside International Speedway - West Memphis, AR 305 Sprints - Winged, Stock Cars, A Modifieds, Winged A-Class, Dirt Late Models | Results | | Lynn Irwin (Dirt Late Models) | 3rd | - | - | 7th |
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| 7/14/2018 | Riverside International Speedway - West Memphis, AR Stock Cars, A Modifieds, Winged A-Class, Dirt Late Models | Results | | Lynn Irwin (Dirt Late Models) | 6th | - | - | 8th |
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| 7/28/2018 | Riverside International Speedway - West Memphis, AR 305 Sprints - Winged, Stock Cars, A Modifieds, Winged A-Class, Dirt Late Models | Results | | Lynn Irwin (Dirt Late Models) | 4th | - | - | 11th |
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| 8/4/2018 | Riverside International Speedway - West Memphis, AR 5th Annual Cody Burk Memorial 305 Sprints - Winged: MidSouth Sprint Car Association Stock Cars, A Modifieds, Dirt Late Models | Results | | Lynn Irwin (Dirt Late Models) | 6th | - | - | 11th |
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| 8/18/2018 | Riverside International Speedway - West Memphis, AR 305 Sprints - Winged, Stock Cars, A Modifieds, Winged A-Class, Dirt Late Models | Results | | Lynn Irwin (Dirt Late Models) | 3rd | - | - | 9th |
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| 8/25/2018 | Riverside International Speedway - West Memphis, AR Sonny Sayre and Craig Guy Make-A-Wish 305 Sprints - Winged, Stock Cars, A Modifieds, Winged A-Class, Dirt Late Models | Results | | Lynn Irwin (A Modifieds) | 1st | - | - | 8th |
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| 9/29/2018 | Riverside International Speedway - West Memphis, AR Grassroots Nationals 305 Sprints - Winged: MidSouth Sprint Car Association 360 Sprints - Winged, Stock Cars, Dirt Late Models | Results | | Lynn Irwin (Dirt Late Models) | 4th | - | - | 6th |
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| 10/12/2018 | Riverside International Speedway - West Memphis, AR USCS Fall Nationals 360 Sprints - Winged: USCS United Sprint Car Series 305 Sprints - Winged: MSCA-Mid-South Sprint Car Association Stock Cars, Winged A-Class, Dirt Late Models | Rain Out |