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| 5/18/2018 | Rapid Speedway - Rock Rapids, IA Weekly Racing Series + MSTS 360 Sprints 360 Sprints - Winged, DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds | Results | | Jacob Foster (Hobby Stocks) | DNS | - | - | DNS |
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| 5/25/2018 | Rapid Speedway - Rock Rapids, IA Weekly Racing Series + SLMR Dirt Super Late Models: SLMR Late Model Series DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds | Results | | Jacob Foster (DIRTcar Sportsmans) | DNS | - | - | - |
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| 6/15/2018 | Rapid Speedway - Rock Rapids, IA Weekly Racing Series + Tri State Late Models Dirt Late Models: Tri-State Late Models DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds, Economy Late Models | Results | | Jacob Foster (DIRTcar Sportsmans) | 4th | - | - | 10th |
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| 6/29/2018 | Rapid Speedway - Rock Rapids, IA Mid Season Championship DIRTcar Late Models, DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds | Results | | Jacob Foster (DIRTcar Sportsmans) | 5th (DNF) | - | - | 8th |
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| 7/20/2018 | Rapid Speedway - Rock Rapids, IA Weekly Racing Series DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds | Results | | Jacob Foster (DIRTcar Sportsmans) | 5th | - | - | 10th |
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| 8/3/2018 | Rapid Speedway - Rock Rapids, IA Weekly Racing Series + LMSS DIRTcar Late Models, DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds | Results | | Jacob Foster (Hobby Stocks) | 6th | - | 9th | - |
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| 8/10/2018 | Rapid Speedway - Rock Rapids, IA Weekly Racing Series DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds | Results | | Jacob Foster (Hobby Stocks) | 6th | - | 9th (DNF) | - |
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| 8/24/2018 | Rapid Speedway - Rock Rapids, IA Weekly Racing Series + USMTS & Ironman B-Mods and Stock Cars DIRTcar UMP Modifieds, Hobby Stocks, Stock Cars, B Modifieds | Postponed |
| 9/15/2018 | Rapid Speedway - Rock Rapids, IA Rapid Nationals Night #2 Dirt Late Models: Tri-State Late Models DIRTcar Late Models, DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds | Results | | Jacob Foster (Hobby Stocks) | 6th | - | - | 23rd (DNF) |
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