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| 5/1/2021 | 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 | | David Wirth (A Modifieds) | 4th | - | - | 4th |
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| 5/8/2021 | Wilmot Raceway - Wilmot, WI Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds, Street Stocks, Hornets | Results | | David Wirth (A Modifieds) | 3rd | - | - | 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 | | David Wirth (A Modifieds) | 8th | - | - | 5th |
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| 7/16/2021 | Lafayette County Speedway - Darlington, WI Lafayette County Fair Race with AIRS Vintage Full Body Stock Cars, Economy Late Models, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock | Results | | David Wirth (IMCA Modified) | 7th | - | - | 11th |
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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 | | David Wirth (A Modifieds) | 5th | - | - | 13th |
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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 | | David Wirth (A Modifieds) | 4th | - | - | 7th |
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| 8/20/2021 | Wilmot Raceway - Wilmot, WI Kenosha County Fair Races plus Monster Truck Demo and Fireworks 410 Sprints - Winged, A Modifieds, Street Stocks, Hornets, Lightning Sprints, Non Wing Crate Sprints | Results | | David Wirth (A Modifieds) | 3rd | - | - | 3rd |
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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 | | David Wirth (A Modifieds) | 3rd | - | - | 7th |
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