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| 5/1/2021 | Springport Mid-Michigan Speedway - Springport, MI Powered by NOS Energy Drink! Stock Cars, Street Stocks, Asphalt Sport Mods, Asphalt 4 cyl Modifieds, Mini Wedge | Results | | Mark Flierman (Street Stocks) | 5th | - | - | 13th |
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| 5/8/2021 | Springport Mid-Michigan Speedway - Springport, MI Cereal City Auto Parts NAPA Asphalt Super Late Models, Stock Cars, Street Stocks, Asphalt Sport Mods, Mini Wedge | Results | | Mark Flierman (Street Stocks) | 3rd | - | - | 2nd |
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| 5/22/2021 | Springport Mid-Michigan Speedway - Springport, MI MCR Dwarf Cars Stock Cars, Street Stocks | Results | | Mark Flierman (Street Stocks) | 1st | - | - | 3rd |
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| 5/29/2021 | Springport Mid-Michigan Speedway - Springport, MI Powered by NOS Energy Drink! Stock Cars, Street Stocks, Asphalt Sport Mods, Asphalt 4 cyl Modifieds, Mini Wedge | Results | | Mark Flierman (Street Stocks) | 1st | - | - | 4th |
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| 6/5/2021 | Springport Mid-Michigan Speedway - Springport, MI Autograph Night! Asphalt Super Late Models, Stock Cars, Street Stocks, Asphalt Sport Mods, Mini Wedge | Results | | Mark Flierman (Street Stocks) | 3rd | - | - | 2nd |
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| 6/19/2021 | Springport Mid-Michigan Speedway - Springport, MI Auto Lab Night Stock Cars, Street Stocks, Asphalt Sport Mods | Results | | Mark Flierman (Street Stocks) | 1st | - | - | 3rd |
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| 7/3/2021 | Springport Mid-Michigan Speedway - Springport, MI The Old Glory Freedom Celebration Asphalt Super Late Models, Stock Cars, Street Stocks, Asphalt 4 cyl Modifieds | Results | | Mark Flierman (Street Stocks) | - | - | - | 12th |
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| 7/10/2021 | Springport Mid-Michigan Speedway - Springport, MI Autograph Night Stock Cars, Street Stocks, Asphalt Sport Mods, Asphalt 4 cyl Modifieds, Mini Wedge | Results | | Mark Flierman (Street Stocks) | 3rd | - | - | 2nd |
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| 7/17/2021 | Springport Mid-Michigan Speedway - Springport, MI Russ Densmore Birthday Celebration Asphalt Super Late Models, Stock Cars, Street Stocks, Asphalt Sport Mods, Mini Wedge | Results | | Mark Flierman (Street Stocks) | 4th | - | - | 4th |
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| 7/31/2021 | Springport Mid-Michigan Speedway - Springport, MI MCR Dwarf Cars Stock Cars, Street Stocks, Asphalt Sport Mods, Mini Wedge | Results | | Mark Flierman (Street Stocks) | 5th | - | - | 3rd |
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| 8/14/2021 | Springport Mid-Michigan Speedway - Springport, MI T&N Dairy Kreme / Backpack Night Asphalt Super Late Models, Stock Cars, Street Stocks, Asphalt Sport Mods, Mini Wedge | Results | | Mark Flierman (Street Stocks) | 4th | - | - | 4th |
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| 8/28/2021 | Springport Mid-Michigan Speedway - Springport, MI Season Championship Night Asphalt Super Late Models, Stock Cars, Street Stocks, Asphalt Sport Mods, Asphalt 4 cyl Modifieds | Results | | Mark Flierman (Street Stocks) | 1st | - | - | 3rd |
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| 10/8/2021 | Springport Mid-Michigan Speedway - Springport, MI 2021 Michigan Cup Day One Asphalt Super Late Models, Stock Cars, Street Stocks, Asphalt Sport Mods, Asphalt 4 cyl Modifieds, Mini Wedge | Results | | Mark Flierman (Street Stocks) | - | - | - | - |
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| 10/9/2021 | Springport Mid-Michigan Speedway - Springport, MI 2021 Michigan Cup Day Two Asphalt Super Late Models, Stock Cars, Street Stocks, Asphalt Sport Mods, Asphalt 4 cyl Modifieds, Mini Wedge | Results | | Mark Flierman (Street Stocks) | 6th | - | - | - |
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| 10/10/2021 | Springport Mid-Michigan Speedway - Springport, MI 2021 Michigan Cup Day Three Asphalt Super Late Models, Stock Cars, Street Stocks, Asphalt Sport Mods, Asphalt 4 cyl Modifieds, Mini Wedge | Results | | Mark Flierman (Street Stocks) | - | - | - | 17th |
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