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| 4/12/2018 | Benton County Speedway - Vinton, IA 2018 Frost Buster Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Dwarf, Sport Compact | Results | | Duane Roth (B Modifieds) | - | - | - | 31st |
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| 4/29/2018 | Dubuque Fairgrounds Speedway - Dubuque, IA Weekly Racing A Modifieds, B Modifieds, Dirt Late Models, Economy Late Models | Results | | Duane Roth (B Modifieds) | 7th | - | - | 13th |
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| 5/12/2018 | Boone Speedway - Boone, IA Saturday Night Series #4 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Duane Roth (B Modifieds) | 4th | - | - | 19th |
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| 5/25/2018 | 300 Raceway - Farley, IA Bauer Memorial Weekly Racing w/ Nostalgia Cars Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Semi-Pro Legends, Vintage Full Body Stock Cars | Results | | Duane Roth (B Modifieds) | 4th | - | - | 12th |
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| 5/27/2018 | Benton County Speedway - Vinton, IA Albert Auto Night Modified Special Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Dwarf, Sport Compact | Results | | Duane Roth (B Modifieds) | - | - | - | 13th |
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| 5/28/2018 | Benton County Speedway - Vinton, IA Dirt Nights Dirt Tour Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dwarf, Sport Compact | Results | | Duane Roth (B Modifieds) | - | - | - | 21st |
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| 6/1/2018 | 300 Raceway - Farley, IA KDST 99.3 Weekly Racing Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Semi-Pro Legends | Results | | Duane Roth (B Modifieds) | - | - | - | 12th |
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| 6/24/2018 | Dubuque Fairgrounds Speedway - Dubuque, IA Casey's General Stores Weekly Racing A Modifieds, B Modifieds, Dirt Late Models, Semi-Pro Legends, Economy Late Models | Results | | Duane Roth (B Modifieds) | 4th | - | - | 16th |
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| 6/28/2018 | Benton County Speedway - Vinton, IA IMCA Late Models: Deery Brothers Summer Series Hobby Stocks, Stock Cars, B Modifieds, Dirt Late Models, Dwarf, Sport Compact | Results | | Duane Roth (B Modifieds) | - | - | - | 13th |
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| 7/24/2018 | Dubuque Fairgrounds Speedway - Dubuque, IA 360 Sprints - Winged: Sprint Invaders A Modifieds, B Modifieds | Results | | Duane Roth (B Modifieds) | 2nd | - | - | 11th |
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| 7/25/2018 | Dubuque Fairgrounds Speedway - Dubuque, IA Julien Dubuque Classic Fair Race A Modifieds, B Modifieds, Dirt Late Models, Masters Legends, Economy Late Models, Sport Compact | Results | | Duane Roth (B Modifieds) | 5th | - | - | 6th |
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| 7/29/2018 | Dubuque Fairgrounds Speedway - Dubuque, IA Race Day at the Fair A Modifieds, B Modifieds, Dirt Late Models, Vintage Modifieds, Economy Late Models | Results | | Duane Roth (B Modifieds) | 6th | - | - | 9th |
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| 8/12/2018 | Dubuque Fairgrounds Speedway - Dubuque, IA Back to School Weekly Racing w/ AIRS A Modifieds, B Modifieds, Dirt Late Models, Masters Legends, Economy Late Models | Results | | Duane Roth (B Modifieds) | 5th | - | - | 11th |
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| 8/31/2018 | 300 Raceway - Farley, IA Runde Auto Group 41st Yankee Dirt Track Classic - Night 2 Stock Cars, A Modifieds, B Modifieds, Economy Late Models, IMCA Late Models | Results | | Duane Roth (B Modifieds) | 11th | - | - | - |
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