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| 5/1/2015 | Winston Speedway - Rothbury, MI Full Program - Street Stock Special presented by Mr. B's Pancake House DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Hornets | Results | | Mike Kazmarski (Street Stocks) | 4th | - | - | 11th |
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| 5/8/2015 | Winston Speedway - Rothbury, MI Michigan Dirt Cup Season Opener DIRTcar UMP Modifieds: Michigan Dirt Cup Modified Tour DIRTcar Late Models, Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Hornets | Results | | Mike Kazmarski (Street Stocks) | 5th | - | - | 9th |
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| 5/22/2015 | Winston Speedway - Rothbury, MI Full Program - Scout Night – All Scouts In Uniform Admitted FREE!! / Bomber Special DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Hornets | Results | | Mike Kazmarski (Street Stocks) | 10th | - | - | DNS |
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| 6/19/2015 | Winston Speedway - Rothbury, MI Full Program - Street Stock Special Presented by Grasmeyer Bros. L.LC. / Late Models $1000 to Win DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Hornets | Results | | Mike Kazmarski (Street Stocks) | 5th | - | - | 8th |
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| 6/26/2015 | Winston Speedway - Rothbury, MI Kids Night -Fun and Games, Bike Giveaways & More / Roll Over Contest DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Hornets | Results | | Mike Kazmarski (Street Stocks) | 6th | - | - | 9th |
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| 7/3/2015 | Winston Speedway - Rothbury, MI Full Program - Fireworks!!! - Street Stock Special Presented by APS Performance Collison DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Hornets | Results | | Mike Kazmarski (Street Stocks) | 9th | - | - | 9th |
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| 7/10/2015 | Winston Speedway - Rothbury, MI 410 Sprints - Non-Winged: Great Lakes Traditional Sprints with Ontario Topless Sprint Cars-OTS DIRTcar Late Models, Factory Stocks, Stock Cars, Street Stocks, Hornets | Results | | Mike Kazmarski (Street Stocks) | 10th | - | - | 10th |
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| 7/31/2015 | Winston Speedway - Rothbury, MI Michigan Auto Racing Fan Club Night DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Hornets | Results | | Mike Kazmarski (Street Stocks) | 9th | - | - | 7th |
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| 8/14/2015 | Winston Speedway - Rothbury, MI Fan Appreciation Night- UMP Modified Special Presented by Port City Racecars DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Hornets | Results | | Mike Kazmarski (Street Stocks) | 8th | - | - | 8th |
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| 8/28/2015 | Winston Speedway - Rothbury, MI Back to School / Season Championship Night DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Hornets | Results | | Mike Kazmarski (Street Stocks) | 9th | - | - | - |
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