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| 4/17/2021 | Kalamazoo Speedway - Kalamazoo, MI Covid Crusher Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Robert Siegel (Asphalt Rookie Stocks) | 9th | - | - | 6th |
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| 4/30/2021 | Kalamazoo Speedway - Kalamazoo, MI Intimidator 100 Asphalt Super Late Models, Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Robert Siegel (Asphalt Rookie Stocks) | - | - | - | 19th |
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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 | | Robert Siegel (Stock Cars) | 8th | - | 16th | - |
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| 9/3/2021 | Kalamazoo Speedway - Kalamazoo, MI Season Championship Night Asphalt Super Late Models, Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Robert Siegel (Asphalt 4-Cylinders) | - | - | - | 16th |
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| 9/18/2021 | Springport Mid-Michigan Speedway - Springport, MI Cheaters Night Stock Cars, Sportsmans | Results | | Robert Siegel (Stock Cars) | 5th | - | - | 11th |
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| 9/24/2021 | Kalamazoo Speedway - Kalamazoo, MI Super Shoe Nationals XXXIV Stock Cars, Hornets | Results | | Robert Siegel (Hornets) | 3rd | - | - | 20th |
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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 | | Robert Siegel (Stock Cars) | - | - | - | - |
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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 | | Robert Siegel (Stock Cars) | 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 | | Robert Siegel (Stock Cars) | - | - | - | 12th |
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