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| 5/22/2021 | Silver Bullet Speedway - Owendale, MI Lightning Sprints: Great Lakes Lightning Sprints Asphalt Mini Stocks, Hobby Stocks, Stock Cars, B Modifieds, Mini Wedge | Results | | Matthew Siemen (Asphalt Mini Stocks) | 5th | - | - | 15th (DNF) |
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| 5/29/2021 | Silver Bullet Speedway - Owendale, MI Hall Of Fame Night Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans, B Modifieds, Mini Wedge | Results | | Matthew Siemen (Asphalt Mini Stocks) | 9th (DNF) | - | - | 14th (DNF) |
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| 6/12/2021 | Silver Bullet Speedway - Owendale, MI Topless Night - Cars Only Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans, B Modifieds, Mini Wedge | Results | | Matthew Siemen (Asphalt Mini Stocks) | 7th (DNF) | - | 3rd | 15th (DNF) |
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| 6/19/2021 | Silver Bullet Speedway - Owendale, MI 410 Sprints - Non-Winged: Great Lakes Traditional Sprints Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans, Mini Wedge | Results | | Matthew Siemen (Asphalt Mini Stocks) | 3rd | - | - | - |
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| 7/3/2021 | Silver Bullet Speedway - Owendale, MI Fireworks Night Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans, B Modifieds, Mini Wedge | Results | | Matthew Siemen (Asphalt Mini Stocks) | 9th (DNF) | - | 11th (DNF) | - |
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| 7/10/2021 | Silver Bullet Speedway - Owendale, MI Kids Night & Bike Races Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans, B Modifieds, Mini Wedge | Results | | Matthew Siemen (Asphalt Mini Stocks) | 5th | - | 2nd | 12th |
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| 7/17/2021 | Silver Bullet Speedway - Owendale, MI Mt. Clemens Race Track Reunion Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans, B Modifieds, Mini Wedge | Results | | Matthew Siemen (Asphalt Mini Stocks) | 4th | - | - | 6th |
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| 7/31/2021 | Silver Bullet Speedway - Owendale, MI Michigan Auto Racing Fan Club / Old Timers Race Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans, B Modifieds, Mini Wedge | Results | | Matthew Siemen (Asphalt Mini Stocks) | 6th (DNF) | - | 3rd | 16th (DNF) |
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