| | Heat | Dash | B Feature | A Feature |
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| 1/21/2018 | Canyon Speedway Park - Peoria, AZ Winter Challenge Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dwarf | Results | | Steve Duffy (B Modifieds) | 4th | - | - | 6th |
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| 1/27/2018 | Canyon Speedway Park - Peoria, AZ Winter Challenge Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dwarf | Results | | Steve Duffy (B Modifieds) | 3rd | - | - | 9th |
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| 1/28/2018 | Canyon Speedway Park - Peoria, AZ Winter Challenge Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dwarf | Results | | Steve Duffy (B Modifieds) | 5th | - | - | 10th |
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| 5/12/2018 | Central Arizona Raceway - Casa Grande, AZ 360 Sprints - Winged: ASCS Southwest Region 410 Sprints - Winged, A Modifieds, Restricted 'A' Class, Winged A-Class, B Modifieds, Pure Stock, Pro Dwarf | Results | | Steve Duffy (B Modifieds) | - | - | - | - |
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| 8/18/2018 | Arizona Speedway - Queen Creek, AZ A Modifieds, B Modifieds, Dirt Late Models, Dwarf, 600cc Modifieds | Results | | Steve Duffy (B Modifieds) | 9th (DNF) | - | - | 12th (DNF) |
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| 9/15/2018 | Arizona Speedway - Queen Creek, AZ 360 Sprints - Winged: ASCS Southwest Region Hobby Stocks, A Modifieds, B Modifieds, Pure Stock | Results | | Steve Duffy (B Modifieds) | 8th | - | - | 11th |
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| 10/27/2018 | Central Arizona Raceway - Casa Grande, AZ Non-Wing Outlaw: Power 600 Series Non-Wing Micros Stock Cars, A Modifieds, Restricted 'A' Class, Winged A-Class, B Modifieds, 360 Sprints - Non-Winged, Pure Stock, Pro Dwarf | Results | | Steve Duffy (B Modifieds) | 6th | - | - | 16th |
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| 11/16/2018 | Central Arizona Raceway - Casa Grande, AZ Desert Thunder Winged Outlaw: Power 600 Series Wing Micros Stock Cars, A Modifieds, Restricted 'A' Class, Winged A-Class, B Modifieds, Pure Stock | Results | | Steve Duffy (A Modifieds) | - | - | - | - | | Steve Duffy (B Modifieds) | 5th | - | - | 6th |
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| 11/17/2018 | Central Arizona Raceway - Casa Grande, AZ Desert Thunder Winged Outlaw: Power 600 Series Wing Micros Stock Cars, A Modifieds, Restricted 'A' Class, Winged A-Class, B Modifieds, Pure Stock | Results | | Steve Duffy (B Modifieds) | 8th | - | - | - |
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| 11/18/2018 | Central Arizona Raceway - Casa Grande, AZ Desert Thunder Stock Cars, A Modifieds, B Modifieds, Pure Stock | Results | | Steve Duffy (B Modifieds) | 6th | - | - | 26th (DNF) |
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