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| 4/25/2025 | Dacotah Speedway - Mandan, ND Dacotah Speedway Season Opener Hobby Stocks, Semi-Pro Legends, IMCA Modified, IMCA Stock Car, Junior Slingshots | Results | | Marlyn Seidler (IMCA Modified) | 5th | - | - | 9th | | Marlyn Seidler (IMCA Stock Car) | 1st | - | - | 4th |
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| 5/2/2025 | Dacotah Speedway - Mandan, ND Mandan Meltdown - Night 1 Hobby Stocks, Semi-Pro Legends, IMCA Modified, IMCA Stock Car, Junior Slingshots | Results | | Marlyn Seidler (IMCA Modified) | 3rd | - | - | 25th (DNF) | | Marlyn Seidler (IMCA Stock Car) | 6th | - | - | 26th (DNF) |
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| 5/3/2025 | Dacotah Speedway - Mandan, ND Mandan Meltdown - Night 2 Hobby Stocks, Semi-Pro Legends, IMCA Modified, IMCA Stock Car, Junior Slingshots | Results | | Marlyn Seidler (IMCA Modified) | 6th | - | - | 25th (DNF) |
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| 5/9/2025 | Dacotah Speedway - Mandan, ND Mandan Dirt Series Hobby Stocks, Semi-Pro Legends, IMCA Modified, IMCA Stock Car, Junior Slingshots | Results | | Marlyn Seidler (IMCA Modified) | 1st | - | - | 3rd |
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| 5/30/2025 | Dacotah Speedway - Mandan, ND Mandan Dirt Series & Military Appreciation Night Hobby Stocks, Semi-Pro Legends, IMCA Modified, IMCA Stock Car, Junior Slingshots | Results | | Marlyn Seidler (IMCA Modified) | 1st | - | - | 7th | | Marlyn Seidler (IMCA Stock Car) | 1st | - | - | 1st |
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| 6/6/2025 | Dacotah Speedway - Mandan, ND Mary Vetter Hobby Stock Challenge & Legendary Tour Hobby Stocks, Semi-Pro Legends, IMCA Modified, IMCA Stock Car, Junior Slingshots | Results | | Marlyn Seidler (IMCA Modified) | 1st | - | - | 5th | | Marlyn Seidler (IMCA Stock Car) | 1st | - | - | 18th (DNF) |
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| 6/13/2025 | Dacotah Speedway - Mandan, ND Mandan Dirt Series Hobby Stocks, Semi-Pro Legends, IMCA Modified, IMCA Stock Car, Junior Slingshots | Results | | Marlyn Seidler (IMCA Modified) | 3rd | - | - | 16th (DNF) | | Marlyn Seidler (IMCA Stock Car) | 7th | - | - | 13th (DNF) |
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