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| 5/24/2020 | Slinger Super Speedway - Slinger, WI EH Wolf & Sons Memorial Day Asphalt Late Models, Asphalt Super Late Models, Outlaws, Pro Legends, Asphalt 4-Cylinders, Asphalt Figure 8 Stock Cars, Honda Challenge | Results | | Brian Holtz (Asphalt Late Models) | 1st | - | - | 7th |
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| 5/31/2020 | Slinger Super Speedway - Slinger, WI Keith's Marina Race Against Cancer Alan Kulwicki Memorial Asphalt Late Models, Asphalt Super Late Models, Sportsmans, Asphalt 4-Cylinders, Asphalt Street Stocks, Sport Compact, Honda Challenge | Results | | Brian Holtz (Asphalt Late Models) | 4th | - | - | 7th |
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| 6/21/2020 | Slinger Super Speedway - Slinger, WI PMF Landscape Supply Scout Night Asphalt Late Models, Asphalt Super Late Models, Sportsmans, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Figure 8 Stock Cars, Honda Challenge | Results | | Brian Holtz (Sportsmans) | 3rd | - | - | 3rd |
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| 7/5/2020 | Slinger Super Speedway - Slinger, WI Prelude to the Nationals Asphalt Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Sport Mods, Asphalt Figure 8 Stock Cars, Outlaw Hobby Stocks, Honda Challenge | Results | | Brian Holtz (Asphalt Late Models) | DNS | - | - | - |
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| 7/7/2020 | Slinger Super Speedway - Slinger, WI The 41st Annual SUPERSEAL Slinger Nationals Presented by Miller Lite Asphalt Late Models, Asphalt Super Late Models | Postponed |
| 7/8/2020 | Slinger Super Speedway - Slinger, WI 41st SUPERSEAL Nationals Presented by Miller Lite Asphalt Late Models, Asphalt Super Late Models | Results | | Brian Holtz (Asphalt Late Models) | - | - | - | 17th (DNF) |
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| 8/16/2020 | Slinger Super Speedway - Slinger, WI Back in the Day Pricing Asphalt Late Models, Sportsmans, Asphalt Street Stocks, Asphalt Sport Mods, Muscle Car, Sport Compact, Honda Challenge | Results | | Brian Holtz (Sportsmans) | 5th (DNF) | - | - | 4th |
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| 8/23/2020 | Slinger Super Speedway - Slinger, WI Memorial Go-Kart Tribute Night ~ Carl Wegner Memorial Asphalt Super Late Models, Sportsmans, Asphalt 4-Cylinders, Asphalt Figure 8 Stock Cars, Sport Compact, Honda Challenge | Results | | Brian Holtz (Sportsmans) | 1st | - | - | 3rd |
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| 8/30/2020 | Slinger Super Speedway - Slinger, WI Triton Trailers Laps for Lex Asphalt Late Models, Asphalt Super Late Models, Sportsmans, Asphalt 4-Cylinders, Asphalt Street Stocks, Sport Compact, Honda Challenge | Results | | Brian Holtz (Sportsmans) | 1st | - | - | 2nd |
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| 9/6/2020 | Slinger Super Speedway - Slinger, WI Labor Day Celebration Asphalt Late Models, Asphalt Super Late Models, Sportsmans, Asphalt 4-Cylinders, Asphalt Figure 8 Stock Cars, Muscle Car, Honda Challenge | Results | | Brian Holtz (Sportsmans) | 9th (DNF) | - | - | 4th |
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