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| 4/24/2015 | Tri-City Motor Speedway - Auburn, MI 2015 Addicted to DIRT! Season Opener Factory Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models | Results | | Zack Olger (Dirt Late Models) | 2nd | - | - | 2nd |
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| 4/25/2015 | Tri-City Motor Speedway - Auburn, MI test 2 Factory Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models | Results | | Zack Olger (Dirt Late Models) | - | - | - | - |
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| 4/30/2015 | Tri-City Motor Speedway - Auburn, MI test race Factory Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models | Results | | Zack Olger (Dirt Late Models) | - | - | - | - |
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| 5/1/2015 | Tri-City Motor Speedway - Auburn, MI Pit Stop Challenge Factory Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models | Results | | Zack Olger (Dirt Late Models) | 2nd | - | - | 2nd |
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| 5/22/2015 | Tri-City Motor Speedway - Auburn, MI Figure 8 Racing Part One Stock Cars, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models | Results | | Zack Olger (Dirt Late Models) | 4th | - | - | 16th (DNF) |
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| 5/29/2015 | Tri-City Motor Speedway - Auburn, MI Blast from the Past Factory Stocks, Sportsmans, A Modifieds, Dirt Late Models | Rain Out |
| 6/5/2015 | I-96 Speedway - Lake Odessa, MI Family Night Kids Ride On Race Cars DIRTcar Late Models, DIRTcar UMP Modifieds, Asphalt Mini Stocks, B Modifieds, Street Stocks | Results | | Zack Olger (DIRTcar Late Models) | 1st | - | - | 1st |
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| 6/19/2015 | I-96 Speedway - Lake Odessa, MI Drive your Tractor to the Races Get in FREE! - Amercian Ethanol Late Model Tour DIRTcar Late Models, DIRTcar UMP Modifieds, Asphalt Mini Stocks, B Modifieds, Street Stocks | Results | | Zack Olger (DIRTcar Late Models) | 3rd | - | - | 6th |
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| 6/26/2015 | Tri-City Motor Speedway - Auburn, MI Figure 8 Racing Part Two Stock Cars, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models | Results | | Zack Olger (Dirt Late Models) | 3rd | - | - | 1st |
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| 7/3/2015 | Tri-City Motor Speedway - Auburn, MI Fireworks & Mid-Season Championships Factory Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models | Results | | Zack Olger (Dirt Late Models) | 1st | - | - | 2nd |
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| 7/10/2015 | Tri-City Motor Speedway - Auburn, MI Mascot Mayhem Factory Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models | Results | | Zack Olger (Dirt Late Models) | 1st | - | - | 2nd |
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| 7/24/2015 | Tri-City Motor Speedway - Auburn, MI Faster Pastor Race Night A Modifieds, Street Stocks, Dirt Late Models, Generic 1 | Results | | Zack Olger (Dirt Late Models) | 4th | - | - | 5th |
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| 8/7/2015 | Tri-City Motor Speedway - Auburn, MI Figure 8 Racing Championship Stock Cars, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models | Results | | Zack Olger (Dirt Late Models) | 4th | - | - | 2nd |
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| 8/14/2015 | Butler Speedway - Quincy, MI A.L.M.S. @ Butler DIRTcar Late Models | Results | | Zack Olger (DIRTcar Late Models) | - | - | - | 11th |
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| 8/21/2015 | Tri-City Motor Speedway - Auburn, MI Family and Autograph Night & Figure 8 Racing Championship Factory Stocks, Stock Cars, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models | Results | | Zack Olger (Dirt Late Models) | 1st | - | - | 1st |
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| 8/28/2015 | Tri-City Motor Speedway - Auburn, MI 410 Sprints - Non-Winged: Great Lakes Traditional Sprints with Ontario Topless Sprint Cars-OTS Factory Stocks, Sportsmans, Street Stocks, Dirt Late Models, Non-Winged Sprints | Results | | Zack Olger (Dirt Late Models) | 1st | - | - | 1st |
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| 9/5/2015 | Merritt Speedway - Merritt, MI Gene Kregear Engine Pro Championship Weekend DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, Sportsmans, Lightning Sprints, Dirt Pro Trucks | Results | | Zack Olger (DIRTcar Late Models) | 2nd | - | - | 15th |
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| 9/11/2015 | Tri-City Motor Speedway - Auburn, MI Battle By the Bay Day One Dirt Super Late Models, Factory Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models | Results | | Zack Olger (Dirt Super Late Models) | 2nd | 4th | - | 11th (DNF) | | Zack Olger (Dirt Late Models) | 1st | - | - | 2nd |
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