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| 2/26/2021 | Tucson Speedway - Tucson, AZ 2021 Chilly Willy 150- Friday and 3-Day Passes Asphalt Super Late Models, Semi-Pro Legends, Pro Legends | Results | | Justin Case Sr (Semi-Pro Legends) | 7th | - | - | 13th |
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| 2/27/2021 | Tucson Speedway - Tucson, AZ 2021 Chilly Willy 150- Saturday and 2-Day Passes Asphalt Super Late Models, Semi-Pro Legends, Pro Legends | Results | | Justin Case Sr (Semi-Pro Legends) | - | - | - | 9th |
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| 2/28/2021 | Tucson Speedway - Tucson, AZ 2021 Chilly Willy 150- Sunday Asphalt Super Late Models, Semi-Pro Legends, Pro Legends | Results | | Justin Case Sr (Semi-Pro Legends) | - | - | - | 11th |
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| 3/13/2021 | Tucson Speedway - Tucson, AZ Season Opener 3/13/21 Asphalt Late Models, Asphalt Super Late Models, Bandits, Outlaws, Semi-Pro Legends, Vintage Modifieds, Asphalt Street Stocks | Results | | Justin Case Sr (Semi-Pro Legends) | 6th | - | - | 5th |
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| 4/10/2021 | Tucson Speedway - Tucson, AZ Easter Eggstravaganza Asphalt Late Models, Asphalt Super Late Models, Bandits, Outlaws, Semi-Pro Legends, Asphalt Street Stocks | Results | | Justin Case Sr (Semi-Pro Legends) | - | - | - | 6th |
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| 5/8/2021 | Tucson Speedway - Tucson, AZ Tucson 520 Races Asphalt Late Models, Asphalt Super Late Models, Bandits, Outlaws, Semi-Pro Legends, Asphalt Street Stocks | Results | | Justin Case Sr (Semi-Pro Legends) | 2nd | - | - | 3rd |
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| 6/5/2021 | Tucson Speedway - Tucson, AZ Ice Breaker- Race the Temp! Asphalt Late Models, Asphalt Super Late Models, Bandits, Outlaws, Semi-Pro Legends, Asphalt Street Stocks | Results | | Justin Case Sr (Semi-Pro Legends) | 3rd | - | - | 3rd |
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| 6/19/2021 | Tucson Speedway - Tucson, AZ Freaky Fast Races- Father's Day Asphalt Pro Trucks, Asphalt 4-Cylinders, Asphalt Stock Cars, Asphalt Big Block Modifieds, Pavement Midgets | Results | | Justin Case Sr (Asphalt 4-Cylinders) | - | - | - | - | | Justin Case Sr (Pavement Midgets) | 2nd | - | - | 3rd |
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| 7/3/2021 | Tucson Speedway - Tucson, AZ Independence Day 100- Fireworks! Asphalt Late Models, Asphalt Super Late Models, Bandits, Outlaws, Semi-Pro Legends, Asphalt Street Stocks | Results | | Justin Case Sr (Semi-Pro Legends) | 6th | - | - | 5th |
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| 7/17/2021 | Tucson Speedway - Tucson, AZ Summer Sizzle Asphalt Pro Trucks, Asphalt 4-Cylinders, Asphalt Stock Cars, Asphalt Big Block Modifieds, Pavement Midgets | Results | | Justin Case Sr (Asphalt 4-Cylinders) | - | - | - | - | | Justin Case Sr (Pavement Midgets) | 3rd | - | - | 6th |
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| 7/31/2021 | Tucson Speedway - Tucson, AZ The Roasted Rattler Asphalt Late Models, Asphalt Super Late Models, Bandits, Outlaws, Semi-Pro Legends, Asphalt Street Stocks | Results | | Justin Case Sr (Semi-Pro Legends) | DNS | - | - | 4th |
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| 8/14/2021 | Tucson Speedway - Tucson, AZ Killer Bees Asphalt Pro Trucks, Asphalt 4-Cylinders, Asphalt Stock Cars, Asphalt Big Block Modifieds, Pavement Midgets | Results | | Justin Case Sr (Asphalt 4-Cylinders) | - | - | - | - |
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| 8/28/2021 | Tucson Speedway - Tucson, AZ Silver Bullet Asphalt Pro Trucks, Asphalt 4-Cylinders, Asphalt Stock Cars, Pavement Midgets | Results | | Justin Case Sr (Asphalt 4-Cylinders) | - | - | - | - | | Justin Case Sr (Pavement Midgets) | - | - | - | - |
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| 9/4/2021 | Tucson Speedway - Tucson, AZ Hot Shot 75 Asphalt Late Models, Asphalt Super Late Models, Bandits, Outlaws, Semi-Pro Legends, Asphalt Street Stocks | Results | | Justin Case Sr (Semi-Pro Legends) | 2nd | - | - | 3rd |
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| 9/18/2021 | Tucson Speedway - Tucson, AZ Roadrunner Asphalt Pro Trucks, Asphalt 4-Cylinders, Asphalt Stock Cars, Asphalt Big Block Modifieds, Pavement Midgets | Results | | Justin Case Sr (Asphalt 4-Cylinders) | - | - | - | - | | Justin Case Sr (Pavement Midgets) | - | - | - | 3rd |
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| 10/2/2021 | Tucson Speedway - Tucson, AZ Bad to The Bone Races Asphalt Late Models, Asphalt Super Late Models, Bandits, Outlaws, Semi-Pro Legends, Vintage Modifieds, Asphalt Street Stocks, Senior Micros | Results | | Justin Case Sr (Semi-Pro Legends) | 6th | - | - | 4th |
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| 10/30/2021 | Tucson Speedway - Tucson, AZ Grand Finale- Trunk N Treat Asphalt Late Models, Asphalt Super Late Models, Bandits, Outlaws, Semi-Pro Legends, Asphalt Street Stocks | Results | | Justin Case Sr (Semi-Pro Legends) | 4th | - | - | 9th |
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