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| 4/27/2018 | Tri-City Motor Speedway - Auburn, MI Season Re-Opener & Tailgate Night Factory Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models | Results | | Randy Radabaugh (Sportsmans) | 4th | - | - | 10th |
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| 5/4/2018 | Tri-City Motor Speedway - Auburn, MI Fan’s Favorite Car Contest Factory Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models, Mini Wedge, Mini Outlaws | Results | | Randy Radabaugh (Sportsmans) | 4th | - | - | 10th |
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| 5/5/2018 | Silver Bullet Speedway - Owendale, MI 63rd Annual Opening Night Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans, B Modifieds, Mini Wedge | Results | | Randy Radabaugh (Hobby Stocks) | 1st | - | - | 4th | | Randy Radabaugh (Sportsmans) | 4th | - | - | 2nd |
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| 5/12/2018 | Silver Bullet Speedway - Owendale, MI Mother's Night Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans, B Modifieds, Mini Wedge | Results | | Randy Radabaugh (Hobby Stocks) | 5th | - | 2nd | 6th | | Randy Radabaugh (Sportsmans) | 3rd | - | - | 3rd |
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| 5/18/2018 | Tri-City Motor Speedway - Auburn, MI Sell Your Swag Factory Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models, Mini Wedge, Mini Outlaws | Results | | Randy Radabaugh (Sportsmans) | 7th | - | - | 9th |
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| 5/19/2018 | Silver Bullet Speedway - Owendale, MI Tri County Equipment Diggin The Dirt Sprint Car Showdown Asphalt Mini Stocks, Hobby Stocks, Sportsmans, B Modifieds, Non-Winged Sprints, Mini Wedge | Rain Out |
| 5/25/2018 | Tri-City Motor Speedway - Auburn, MI Memorial Weekend Triple Header Night 1 360 Sprints - Winged: GLSS-Great Lakes Super Sprints Factory Stocks, Sportsmans, A Modifieds, Street Stocks, Mini Wedge, Mini Outlaws | Results | | Randy Radabaugh (Sportsmans) | 7th | - | - | 13th |
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| 5/26/2018 | Silver Bullet Speedway - Owendale, MI Teacher of Appreciation Night Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans, B Modifieds, Mini Wedge | Results | | Randy Radabaugh (Hobby Stocks) | 2nd | - | - | 5th | | Randy Radabaugh (Sportsmans) | 4th | - | - | 2nd |
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| 6/1/2018 | Tri-City Motor Speedway - Auburn, MI Blood Drive, Drivers ED 111 & Truck Drags Factory Stocks, Hobby Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models, Mini Wedge, Mini Outlaws | Results | | Randy Radabaugh (Sportsmans) | 6th | - | - | 13th |
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| 6/2/2018 | Silver Bullet Speedway - Owendale, MI Tri County Equipment Diggin The Dirt Sprint Car Showdown & Autograph Night Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans, B Modifieds, Non-Winged Sprints, Mini Wedge | Results | | Randy Radabaugh (Hobby Stocks) | 4th | - | - | 4th | | Randy Radabaugh (Sportsmans) | 1st | - | - | 3rd |
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| 6/7/2018 | Silver Bullet Speedway - Owendale, MI Thursday Thursday Racin" Asphalt Mini Stocks, Hobby Stocks, Stock Cars, B Modifieds | Results | | Randy Radabaugh (Hobby Stocks) | 5th | - | - | 7th |
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| 6/8/2018 | Tri-City Motor Speedway - Auburn, MI Driver Bingo & Fireworks Factory Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models, Mini Wedge, Mini Outlaws | Results | | Randy Radabaugh (Sportsmans) | 5th (DNF) | - | - | 10th |
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| 6/15/2018 | Tri-City Motor Speedway - Auburn, MI Kids Night & Autographs Factory Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models, Mini Wedge, Mini Outlaws | Results | | Randy Radabaugh (Sportsmans) | 2nd | - | - | 12th |
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| 6/16/2018 | Silver Bullet Speedway - Owendale, MI Tri County Equipment Diggin The Dirt Sprint Car Showdown Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans, Non-Winged Sprints, Mini Wedge | Results | | Randy Radabaugh (Hobby Stocks) | 3rd | - | - | 3rd | | Randy Radabaugh (Sportsmans) | 1st | - | - | 4th |
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| 6/22/2018 | Tri-City Motor Speedway - Auburn, MI Winged Sprints Winged Sprints, Factory Stocks, Sportsmans, Street Stocks, Dirt Late Models, Mini Wedge, Mini Outlaws | Results | | Randy Radabaugh (Sportsmans) | 4th | - | - | 11th |
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| 6/23/2018 | Silver Bullet Speedway - Owendale, MI Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans, B Modifieds, Mini Wedge | Results | | Randy Radabaugh (Hobby Stocks) | 1st | - | - | 4th | | Randy Radabaugh (Sportsmans) | 3rd | - | - | 1st |
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| 6/29/2018 | Tri-City Motor Speedway - Auburn, MI Late Model Power Ball Night Factory Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models, Mini Wedge, Mini Outlaws | Results | | Randy Radabaugh (Sportsmans) | 5th | - | - | 21st (DNF) |
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| 6/30/2018 | Silver Bullet Speedway - Owendale, MI Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans, B Modifieds, Mini Wedge | Results | | Randy Radabaugh (Hobby Stocks) | 3rd | - | - | 3rd | | Randy Radabaugh (Sportsmans) | 1st | - | - | 2nd |
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| 7/6/2018 | Tri-City Motor Speedway - Auburn, MI Figure 8 Night Factory Stocks, Stock Cars, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models | Results | | Randy Radabaugh (Stock Cars) | - | - | - | 2nd | | Randy Radabaugh (Sportsmans) | 5th | - | - | 19th (DNF) |
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| 7/7/2018 | Silver Bullet Speedway - Owendale, MI Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans, B Modifieds, Mini Wedge | Results | | Randy Radabaugh (Hobby Stocks) | 4th | - | - | 3rd | | Randy Radabaugh (Sportsmans) | 1st | - | - | 1st |
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| 7/14/2018 | Silver Bullet Speedway - Owendale, MI Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans, B Modifieds, Mini Wedge | Results | | Randy Radabaugh (Hobby Stocks) | 1st | - | - | 6th | | Randy Radabaugh (Sportsmans) | 3rd | - | - | 2nd |
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| 7/27/2018 | Tri-City Motor Speedway - Auburn, MI Kids Night & Autographs Factory Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models, Mini Wedge, Mini Outlaws | Results | | Randy Radabaugh (Sportsmans) | 2nd | - | - | 8th |
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| 7/28/2018 | Silver Bullet Speedway - Owendale, MI Tri County Equipment Diggin The Dirt Sprint Car Showdow Asphalt Mini Stocks, Stock Cars, Sportsmans, B Modifieds, Non-Winged Sprints, Mini Wedge | Results | | Randy Radabaugh (Sportsmans) | 3rd | - | - | 1st |
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| 8/4/2018 | Silver Bullet Speedway - Owendale, MI Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans, B Modifieds, Mini Wedge | Results | | Randy Radabaugh (Hobby Stocks) | 3rd | - | - | - | | Randy Radabaugh (Sportsmans) | 4th | - | - | 1st |
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| 8/10/2018 | Tri-City Motor Speedway - Auburn, MI Championship Pre-Show Factory Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models, Mini Wedge, Mini Outlaws | Results | | Randy Radabaugh (Sportsmans) | 6th | - | - | 17th |
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| 8/11/2018 | Silver Bullet Speedway - Owendale, MI Old School Night Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans, B Modifieds, Mini Wedge | Results | | Randy Radabaugh (Hobby Stocks) | 1st | - | - | 6th | | Randy Radabaugh (Sportsmans) | 3rd | - | - | 2nd |
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| 8/16/2018 | Silver Bullet Speedway - Owendale, MI Thursday Thursday Racin" Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans, B Modifieds | Results | | Randy Radabaugh (Hobby Stocks) | 1st | - | - | 4th | | Randy Radabaugh (Sportsmans) | 3rd | - | - | 5th |
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| 8/17/2018 | Tri-City Motor Speedway - Auburn, MI Season Championships Factory Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models, Mini Wedge, Mini Outlaws | Results | | Randy Radabaugh (Sportsmans) | 9th (DNF) | - | - | 17th (DNF) |
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| 8/25/2018 | Silver Bullet Speedway - Owendale, MI Asphalt Mini Stocks, Hobby Stocks, Stock Cars, B Modifieds, Non-Winged Sprints, Mini Wedge | Results | | Randy Radabaugh (Hobby Stocks) | 2nd | - | - | 6th |
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| 9/8/2018 | Merritt Speedway - Merritt, MI 50TH ANNIVERSARY FINALE KREGEAR CHAMPIONSHIP DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, Sportsmans, B Modifieds, Lightning Sprints, Enduro, Generic 1, Mini Wedge | Results | | Randy Radabaugh (Sportsmans) | 3rd | - | - | 18th |
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| 9/14/2018 | Silver Bullet Speedway - Owendale, MI Championship Night Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans, B Modifieds, Mini Wedge | Results | | Randy Radabaugh (Hobby Stocks) | 3rd | - | - | 3rd | | Randy Radabaugh (Sportsmans) | 2nd | - | - | 1st |
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| 9/15/2018 | Crystal Motor Speedway - Crystal, MI GREAT LAKES NATIONALS Dirt Super Late Models, Hobby Stocks, A Modifieds, Street Stocks, Dirt Late Models, 410 Sprints - Non-Winged, Junior 1 Lites Dirt Karts, Dirt Pro Trucks, Mini Wedge, Sport Compact | Results | | Randy Radabaugh (Hobby Stocks) | 11th | - | - | 13th |
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