| | Heat | Dash | B Feature | A Feature |
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| 4/27/2018 | Moler Raceway Park - Williamsburg, OH DIRTcar UMP Modifieds, Dirt Late Models, Limited Sport Mod, Sport Compact | Results | | David Jamison (DIRTcar UMP Modifieds) | 8th | - | - | 9th |
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| 5/11/2018 | Moler Raceway Park - Williamsburg, OH 2018 Spring Clash 305 Sprints - Winged, DIRTcar UMP Modifieds, Dirt Late Models, Limited Sport Mod, Sport Compact | Results | | David Jamison (DIRTcar UMP Modifieds) | 4th | - | - | 8th |
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| 5/25/2018 | Moler Raceway Park - Williamsburg, OH Armed Forces Night DIRTcar UMP Modifieds, Dirt Late Models, Pro Legends, Limited Sport Mod, Sport Compact | Results | | David Jamison (DIRTcar UMP Modifieds) | 5th | - | - | 7th |
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| 5/27/2018 | Portsmouth Raceway Park - Portsmouth, OH Veteran's Appreciation Night DIRTcar UMP Modifieds, Dirt Late Models, Economy Late Models, Limited Sport Mod | Results | | David Jamison (DIRTcar UMP Modifieds) | 1st | - | - | 3rd |
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| 6/30/2018 | Portsmouth Raceway Park - Portsmouth, OH Independence 50 Dirt Super Late Models: Lucas Oil Late Model Dirt Series DIRTcar UMP Modifieds, Economy Late Models | Results | | David Jamison (DIRTcar UMP Modifieds) | 3rd | - | - | 12th |
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| 7/28/2018 | Portsmouth Raceway Park - Portsmouth, OH OVSCA Sprints Sprint Cars, DIRTcar UMP Modifieds, Economy Late Models, Limited Sport Mod | Results | | David Jamison (DIRTcar UMP Modifieds) | 8th | - | 2nd | 11th |
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| 8/25/2018 | Portsmouth Raceway Park - Portsmouth, OH Fan Appreciation Night - $5 General Admission DIRTcar UMP Modifieds, Dirt Late Models, Economy Late Models, Limited Sport Mod | Results | | David Jamison (DIRTcar UMP Modifieds) | 7th | - | 2nd | 9th |
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| 9/1/2018 | Portsmouth Raceway Park - Portsmouth, OH Bob Miller Memorial Dirt Super Late Models: Lucas Oil Late Model Dirt Series DIRTcar UMP Modifieds, Dirt Late Models, Limited Sport Mod | Results | | David Jamison (DIRTcar UMP Modifieds) | 5th | - | - | 9th |
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| 10/18/2018 | Portsmouth Raceway Park - Portsmouth, OH 38th Annual DIRT TRACK WORLD CHAMPIONSHIP DIRTcar UMP Modifieds | Results | | David Jamison (DIRTcar UMP Modifieds) | 2nd | - | - | - |
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| 10/20/2018 | Portsmouth Raceway Park - Portsmouth, OH 38th Annual Dirt Track World Championship Dirt Super Late Models: Lucas Oil Late Model Dirt Series DIRTcar UMP Modifieds, Dirt Late Models | Results | | David Jamison (DIRTcar UMP Modifieds) | - | - | - | 14th |
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