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| 5/16/2021 | Wilmot Raceway - Wilmot, WI Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds, Street Stocks, Dirt Late Models | Results | | Bart Sievert (A Modifieds) | 4th | - | - | 14th |
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| 5/22/2021 | Wilmot Raceway - Wilmot, WI Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds, Street Stocks, Hornets | Results | | Bart Sievert (A Modifieds) | 7th | - | - | 8th |
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| 5/29/2021 | Wilmot Raceway - Wilmot, WI Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds, Street Stocks, Hornets | Results | | Bart Sievert (A Modifieds) | 6th | - | - | 12th |
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| 6/12/2021 | Wilmot Raceway - Wilmot, WI 410 Sprints - Winged: IRA Interstate Racing Association Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds | Results | | Bart Sievert (A Modifieds) | 6th | - | - | 5th |
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| 6/18/2021 | Wilmot Raceway - Wilmot, WI Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds, Street Stocks, Hornets | Results | | Bart Sievert (A Modifieds) | 9th | - | - | 14th |
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| 7/17/2021 | Wilmot Raceway - Wilmot, WI Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds, Street Stocks | Results | | Bart Sievert (A Modifieds) | 7th | - | - | 12th |
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| 8/7/2021 | Wilmot Raceway - Wilmot, WI Founders Night 410 Sprints - Winged: IRA Interstate Racing Association Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds | Results | | Bart Sievert (A Modifieds) | 6th | - | - | 8th |
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| 9/4/2021 | Wilmot Raceway - Wilmot, WI Wilmot Championship Night Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds, Street Stocks, Hornets | Results | | Bart Sievert (A Modifieds) | 5th | - | - | 16th |
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| 9/11/2021 | Wilmot Raceway - Wilmot, WI Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Bart Sievert (A Modifieds) | 2nd | - | - | 12th |
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