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| 4/27/2018 | Park Jefferson International Speedway - Jefferson, SD South Dakota Sprint Car Nationals 360 Sprints - Winged: Malvern Bank 360 Sprints with Nebraska 360 sprints 305 Sprints - Winged: IMCA RaceSaver Sprints Stock Cars, B Modifieds, Hornets | Results | | Mike Stegenga (305 Sprints - Winged) | 4th | - | - | 12th |
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| 4/28/2018 | Park Jefferson International Speedway - Jefferson, SD South Dakota Sprint Car Nationals 360 Sprints - Winged: Malvern Bank 360 Sprints with Nebraska 360 sprints 305 Sprints - Winged: IMCA RaceSaver Sprints Hobby Stocks, A Modifieds, B Modifieds | Results | | Mike Stegenga (305 Sprints - Winged) | 8th (DNF) | - | - | 11th |
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| 5/5/2018 | Park Jefferson International Speedway - Jefferson, SD SLMR-Super Late Models plus IMCA Weekly Racing-Road to the Iron Cup IMCA Sport Mods Dirt Super Late Models: SLMR Late Model Series 305 Sprints - Winged, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Mike Stegenga (305 Sprints - Winged) | 5th | - | - | 10th (DNF) |
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| 5/18/2018 | Jackson Motorplex - Jackson, MN Iowa Great Lakes Shootout Presented by Tweeter Contracting and and Harvey’s Five Star Roofing 410 Sprints - Winged, 305 Sprints - Winged, 360 Sprints - Non-Winged | Results | | Mike Stegenga (305 Sprints - Winged) | 6th | - | - | 11th |
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| 5/26/2018 | Park Jefferson International Speedway - Jefferson, SD 360 Sprints - Winged: Malvern Bank 360 Sprints with Nebraska 360 sprints 305 Sprints - Winged: IMCA RaceSaver Sprints Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Mike Stegenga (305 Sprints - Winged) | 2nd | - | - | 5th |
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| 6/1/2018 | Jackson Motorplex - Jackson, MN 360 Sprints - Winged: Nebraska 360 sprints 305 Sprints - Winged, 360 Sprints - Non-Winged | Results | | Mike Stegenga (305 Sprints - Winged) | 5th | - | - | 13th |
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| 6/2/2018 | Park Jefferson International Speedway - Jefferson, SD IMCA Weekly Racing-Road to the Iron Cup IMCA Hobby Stocks 305 Sprints - Winged, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Mike Stegenga (305 Sprints - Winged) | 5th | - | - | 14th (DNF) |
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| 7/14/2018 | Park Jefferson International Speedway - Jefferson, SD IMCA Weekly Racing Kids Night presented by Z98 305 Sprints - Winged, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Mike Stegenga (305 Sprints - Winged) | 7th (DNF) | - | - | 11th (DNF) |
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| 9/14/2018 | Park Jefferson International Speedway - Jefferson, SD Opening Night-5th Annual Iron Cup presented by J&J Fitting 305 Sprints - Winged: IMCA RaceSaver Sprints Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Mike Stegenga (305 Sprints - Winged) | 6th | - | - | 10th |
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