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| 5/20/2021 | State Park Speedway - Wausau, WI Season Opener Asphalt Super Late Models, DIRTcar Factory Stock, Asphalt Mini Stocks, Stock Cars, Asphalt Sport Trucks | Results | | Jeff Spatz (DIRTcar Factory Stock) | 1st | - | - | 1st |
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| 6/3/2021 | State Park Speedway - Wausau, WI Asphalt Super Late Models, DIRTcar Factory Stock, Asphalt Mini Stocks, Stock Cars | Results | | Jeff Spatz (DIRTcar Factory Stock) | 6th | - | - | 5th |
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| 6/10/2021 | State Park Speedway - Wausau, WI Asphalt Super Late Models, DIRTcar Factory Stock, Asphalt Mini Stocks, Stock Cars | Results | | Jeff Spatz (DIRTcar Factory Stock) | - | - | - | - |
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| 6/17/2021 | State Park Speedway - Wausau, WI Flip Merwin Memorial Asphalt Super Late Models, DIRTcar Factory Stock, Asphalt Mini Stocks, Stock Cars, Bandits | Results | | Jeff Spatz (DIRTcar Factory Stock) | 3rd | - | - | 3rd |
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| 7/1/2021 | State Park Speedway - Wausau, WI Fire Works Racing Asphalt Super Late Models, DIRTcar Factory Stock, Asphalt Mini Stocks, Stock Cars | Results | | Jeff Spatz (DIRTcar Factory Stock) | 1st | - | - | 4th |
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| 7/9/2021 | Golden Sands Speedway - Plover, WI Mid-Season Championship Asphalt Super Late Models, Hobby Stocks, Asphalt 4-Cylinders, Asphalt 4 cyl Modifieds, Asphalt Pure Stocks | Results | | Jeff Spatz (Asphalt Pure Stocks) | 1st | - | - | 3rd |
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| 7/15/2021 | State Park Speedway - Wausau, WI Wisconsin Challenge Series Asphalt Super Late Models, DIRTcar Factory Stock, Asphalt Mini Stocks, Stock Cars | Results | | Jeff Spatz (DIRTcar Factory Stock) | 1st | - | - | 5th |
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| 7/24/2021 | State Park Speedway - Wausau, WI Detjens Memorial Day 1 ACAMWT Asphalt Super Late Models, DIRTcar Factory Stock, Asphalt Mini Stocks, Stock Cars, Bandits | Results | | Jeff Spatz (DIRTcar Factory Stock) | 1st | - | - | 2nd |
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| 7/29/2021 | State Park Speedway - Wausau, WI Christmas in July Asphalt Super Late Models, DIRTcar Factory Stock, Asphalt Mini Stocks, Stock Cars | Results | | Jeff Spatz (DIRTcar Factory Stock) | 1st | - | - | 6th |
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| 8/12/2021 | State Park Speedway - Wausau, WI Corn Night Asphalt Super Late Models, DIRTcar Factory Stock, Asphalt Mini Stocks, Stock Cars, Bandits | Results | | Jeff Spatz (DIRTcar Factory Stock) | 5th | - | - | 4th |
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| 8/19/2021 | State Park Speedway - Wausau, WI 12 Annual Lodi Memorial Asphalt Super Late Models, DIRTcar Factory Stock, Asphalt Mini Stocks, Stock Cars, Bandits | Results | | Jeff Spatz (DIRTcar Factory Stock) | 6th | - | - | 4th |
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| 8/26/2021 | State Park Speedway - Wausau, WI Fighting Cancer Full Throttle Championship Night Asphalt Super Late Models, DIRTcar Factory Stock, Asphalt Mini Stocks, Stock Cars, Bandits | Results | | Jeff Spatz (DIRTcar Factory Stock) | 5th | - | - | 1st |
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