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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 | | JC Witherspoon (Dirt Late Models) | 6th | - | 2nd | 14th |
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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 | | JC Witherspoon (Dirt Late Models) | 6th | - | 6th | - |
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| 5/8/2015 | Tri-City Motor Speedway - Auburn, MI Fan Appreciation Night Factory Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models | Results | | JC Witherspoon (Dirt Late Models) | 6th | - | - | 10th |
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| 5/15/2015 | Tri-City Motor Speedway - Auburn, MI Tailgate Night Factory Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models | Results | | JC Witherspoon (Dirt Late Models) | 3rd | - | - | 10th |
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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 | | JC Witherspoon (Stock Cars) | - | - | - | 4th | | JC Witherspoon (Dirt Late Models) | 7th | - | - | 13th |
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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 |
| 6/19/2015 | Tri-City Motor Speedway - Auburn, MI Kids Night and Autographs & Greased Pig 5.0 Factory Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models | Results | | JC Witherspoon (Dirt Late Models) | 6th (DNF) | - | - | 13th |
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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 | | JC Witherspoon (Stock Cars) | - | - | - | 6th (DNF) | | JC Witherspoon (Dirt Late Models) | 5th | - | - | 12th |
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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 | | JC Witherspoon (Dirt Late Models) | 5th | - | - | 18th |
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| 7/4/2015 | Silver Bullet Speedway - Owendale, MI Firework's Night DIRTcar Late Models, DIRTcar UMP Modifieds, Asphalt Mini Stocks, Stock Cars, Sportsmans | Results | | JC Witherspoon (DIRTcar Late Models) | 6th | - | - | 6th |
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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 | | JC Witherspoon (Dirt Late Models) | 7th | - | - | 9th |
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| 7/18/2015 | Silver Bullet Speedway - Owendale, MI Mid-Season Championship DIRTcar Late Models, DIRTcar UMP Modifieds, Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans | Results | | JC Witherspoon (Sportsmans) | 6th | - | - | 9th |
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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 | | JC Witherspoon (Dirt Late Models) | 3rd | - | - | 13th |
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| 7/31/2015 | Tri-City Motor Speedway - Auburn, MI Mystery Night Factory Stocks, Sportsmans, A Modifieds, Street Stocks, Dirt Late Models | Results | | JC Witherspoon (Dirt Late Models) | 4th | - | - | 14th |
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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 | | JC Witherspoon (Stock Cars) | - | - | - | - | | JC Witherspoon (Dirt Late Models) | 3rd | - | - | 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 | | JC Witherspoon (Stock Cars) | - | - | - | 4th | | JC Witherspoon (Dirt Late Models) | 5th | - | - | 15th |
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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 | | JC Witherspoon (Dirt Late Models) | 1st | - | - | 11th |
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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 | | JC Witherspoon (Dirt Super Late Models) | 3rd | - | - | 5th | | JC Witherspoon (Dirt Late Models) | 3rd | - | 3rd | 18th (DNF) |
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