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| 4/17/2021 | Springport Mid-Michigan Speedway - Springport, MI The First Call Stock Cars, Asphalt Sport Mods, Asphalt 4 cyl Modifieds | Results | | Don Cupp (Stock Cars) | - | - | DNS | - |
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| 4/30/2021 | Corrigan Oil Speedway - Mason, MI Howard Hanna Real Estate Executive Modified Challenge Series Race #1 Street Stocks, Bandits, Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Small Block Modifieds, Pony Stock | Results | | Don Cupp (Asphalt 4-Cylinders) | - | - | - | - | | Don Cupp (Pony Stock) | 7th | - | - | 8th |
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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 | | Don Cupp (Stock Cars) | 7th | - | 9th | - |
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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 | | Don Cupp (Stock Cars) | 7th | - | 7th | - |
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| 5/14/2021 | Corrigan Oil Speedway - Mason, MI Howard Hanna Real Estate Executives Modified Challenge Series Race #2 Street Stocks, Bandits, Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Small Block Modifieds, Pony Stock | Results | | Don Cupp (Pony Stock) | 8th | - | - | 7th |
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| 5/16/2021 | Springport Mid-Michigan Speedway - Springport, MI Battle at the Port Asphalt Super Late Models, Stock Cars, Street Stocks | Results | | Don Cupp (Stock Cars) | - | - | 9th | - |
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| 5/21/2021 | Corrigan Oil Speedway - Mason, MI NorthsideTowing.net Big 8 Super Late Model Series presented by Auto Value Parts Stores Race #3 Asphalt Late Models, Bandits, Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Pony Stock, Pure Stock | Results | | Don Cupp (Asphalt 4-Cylinders) | - | - | - | - | | Don Cupp (Pony Stock) | 6th | - | - | 6th |
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| 5/22/2021 | Springport Mid-Michigan Speedway - Springport, MI MCR Dwarf Cars Stock Cars, Street Stocks | Results | | Don Cupp (Stock Cars) | - | - | - | - |
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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 | | Don Cupp (Stock Cars) | 4th | - | 12th | - |
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| 5/30/2021 | Corrigan Oil Speedway - Mason, MI Sunday Slugfest Series #1 / Howard Hanna Real Estate Executives Modified Challenge Series Race #3 Street Stocks, Bandits, Semi-Pro Legends, Asphalt 4-Cylinders, Asphalt Small Block Modifieds, Pony Stock, Figure 8 - FWD Stock | Results | | Don Cupp (Pony Stock) | 4th | - | - | 8th |
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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 | | Don Cupp (Stock Cars) | 1st | - | 7th | - |
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| 7/2/2021 | Corrigan Oil Speedway - Mason, MI The Wild Child 100! Featuring Outlaw Super Late Models and Midwest Modified Tour! FIREWORKS!!! Asphalt Late Models, Asphalt 4-Cylinders, Asphalt Small Block Modifieds, Pony Stock, Pure Stock | Results | | Don Cupp (Pony Stock) | 9th | - | - | 9th |
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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 | | Don Cupp (Stock Cars) | - | - | 17th | - |
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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 | | Don Cupp (Stock Cars) | 7th | - | - | 11th |
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| 7/18/2021 | Corrigan Oil Speedway - Mason, MI Slugfest #3! Modified Challenge Series #4! Garza Memorial FWD Race! Figure 8! Sheriffs Race! Street Stocks, Bandits, Semi-Pro Legends, Asphalt 4-Cylinders, Asphalt Small Block Modifieds, Pony Stock, Figure 8 - FWD Stock | Results | | Don Cupp (Pony Stock) | 8th (DNF) | - | - | 10th |
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| 7/30/2021 | Corrigan Oil Speedway - Mason, MI Howard Hanna Real Estate Executive Modified Challenge Series Race #6 - Autograph Night! Street Stocks, Bandits, Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Small Block Modifieds, Pony Stock | Results | | Don Cupp (Pony Stock) | 7th | - | - | 7th |
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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 | | Don Cupp (Stock Cars) | 9th | - | 2nd | - |
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| 8/13/2021 | Corrigan Oil Speedway - Mason, MI Northside Towing.net Big 8 Outlaw Super Late Model Series, VARC - MMHOF, MARFC, Old Timers Night! Asphalt Late Models, Street Stocks, Bandits, Asphalt 4-Cylinders, Asphalt Small Block Modifieds, Pony Stock | Results | | Don Cupp (Pony Stock) | 9th | - | - | 8th (DNF) |
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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 | | Don Cupp (Stock Cars) | 3rd | - | 11th | - |
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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 | | Don Cupp (Stock Cars) | 7th | - | 9th | - |
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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 | | Don Cupp (Stock Cars) | 9th | - | - | - |
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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 | | Don Cupp (Stock Cars) | - | - | - | - |
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