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| 4/27/2021 | Kalamazoo Speedway - Kalamazoo, MI Pre Season Testing #3 Asphalt Super Late Models, Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Kylee Letts (Asphalt Rookie Stocks) | - | - | - | - |
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| 5/14/2021 | Kalamazoo Speedway - Kalamazoo, MI Weekly Racing Asphalt Super Late Models, Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Rookie Stocks | Results | | Kylee Letts (Asphalt Rookie Stocks) | 6th | - | 10th | - |
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| 5/15/2021 | Kalamazoo Speedway - Kalamazoo, MI Modified Nationals A Modifieds, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Kylee Letts (Asphalt Rookie Stocks) | 8th | - | - | 14th |
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| 5/21/2021 | Kalamazoo Speedway - Kalamazoo, MI Weekly Racing Asphalt Super Late Models, Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Kylee Letts (Asphalt Rookie Stocks) | DNS | - | 9th | - |
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| 6/11/2021 | Kalamazoo Speedway - Kalamazoo, MI Weekly Racing Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Kylee Letts (Asphalt Rookie Stocks) | 6th | - | 2nd | - |
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| 6/18/2021 | Kalamazoo Speedway - Kalamazoo, MI Weekly Racing Asphalt Super Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Kylee Letts (Asphalt Rookie Stocks) | 7th | - | - | 17th |
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| 7/9/2021 | Kalamazoo Speedway - Kalamazoo, MI Weekly Racing Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Kylee Letts (Asphalt Rookie Stocks) | 3rd | - | - | 14th |
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| 7/23/2021 | Kalamazoo Speedway - Kalamazoo, MI Weekly Racing Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Kylee Letts (Asphalt Rookie Stocks) | 3rd | - | 10th | - |
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| 7/30/2021 | Kalamazoo Speedway - Kalamazoo, MI Weekly Racing Asphalt Super Late Models, Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Kylee Letts (Asphalt Rookie Stocks) | - | - | - | - |
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| 8/13/2021 | Kalamazoo Speedway - Kalamazoo, MI Weekly Racing Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Kylee Letts (Asphalt Rookie Stocks) | 3rd | - | 5th | - |
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| 8/27/2021 | Kalamazoo Speedway - Kalamazoo, MI Auto Value Super Sprints Asphalt Sportsman Late Models, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Kylee Letts (Asphalt Rookie Stocks) | 2nd | - | 12th | - |
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| 9/3/2021 | Kalamazoo Speedway - Kalamazoo, MI Season Championship Night Asphalt Super Late Models, Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Kylee Letts (Asphalt Rookie Stocks) | - | - | DNS | - |
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