| | Heat | Dash | B Feature | A Feature |
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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 Midwest Sprint Touring Series, Nebraska 360 sprints 305 Sprints - Winged: IMCA RaceSaver Sprints Stock Cars, B Modifieds, Hornets | Results | | Chris Duffy (305 Sprints - Winged) | DNS | - | - | 16th (DNF) |
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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 | | Chris Duffy (305 Sprints - Winged) | 5th | - | - | 7th |
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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 | | Chris Duffy (305 Sprints - Winged) | 5th | - | - | 15th (DNF) |
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| 5/25/2018 | Jackson Motorplex - Jackson, MN Midwest Power Series 360 Sprints - Winged: Malvern Bank 360 Sprints with Midwest Sprint Touring Series, Nebraska 360 sprints 305 Sprints - Winged, 360 Sprints - Non-Winged | Rain Out |
| 6/1/2018 | Jackson Motorplex - Jackson, MN 360 Sprints - Winged: Midwest Sprint Touring Series with Nebraska 360 sprints 305 Sprints - Winged, 360 Sprints - Non-Winged | Results | | Chris Duffy (305 Sprints - Winged) | 8th | - | - | 23rd (DNF) |
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| 6/7/2018 | Jackson Motorplex - Jackson, MN AGCO Jackson Nationals 410 Sprints - Winged: World of Outlaws 305 Sprints - Winged | Postponed |
| 6/8/2018 | Jackson Motorplex - Jackson, MN AGCO Jackson Nationals 410 Sprints - Winged: World of Outlaws 305 Sprints - Winged | Results | | Chris Duffy (305 Sprints - Winged) | 6th | - | - | 28th (DNF) |
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