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| 4/3/2021 | Slinger Super Speedway - Slinger, WI 2020 Awards Banquet/ 2021 Registration Asphalt Late Models, Asphalt Super Late Models, Asphalt Mini Stocks, Sportsmans, Outlaws, Pro Legends, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Sport Mods, Asphalt Figure 8 Stock Cars, Asphalt Sport Trucks, Sport Compact, Outlaw Hobby Stocks, Honda Challenge, Figure 8 - FWD-Open | Results | | Jon Zielieke (Asphalt Street Stocks) | - | - | - | - |
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| 7/4/2021 | Slinger Super Speedway - Slinger, WI Mopar Night Asphalt Late Models, Sportsmans, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Sport Mods, Asphalt Figure 8 Stock Cars, Honda Challenge | Results | | Jon Zielieke (Asphalt Street Stocks) | DNS | - | - | DNS |
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| 7/18/2021 | Slinger Super Speedway - Slinger, WI Milwaukee Semper Fidelis All American Race Asphalt Late Models, Asphalt Super Late Models, Sportsmans, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Figure 8 Stock Cars | Results | | Jon Zielieke (Asphalt Street Stocks) | 7th (DNF) | - | - | DNS |
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| 8/15/2021 | Slinger Super Speedway - Slinger, WI Carl Wegner Memorial PLUS Make A Wish Night Asphalt Late Models, Asphalt Super Late Models, Sportsmans, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Figure 8 Stock Cars | Results | | Jon Zielieke (Asphalt Street Stocks) | 4th | - | - | 8th |
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| 8/22/2021 | Slinger Super Speedway - Slinger, WI Memorial Go-Kart Tribute Night Asphalt Late Models, Pro Legends, Asphalt Street Stocks, Sport Compact, Figure 8 - FWD-Open | Results | | Jon Zielieke (Asphalt Street Stocks) | 8th | - | - | 9th |
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