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| 4/18/2015 | Creek County Speedway - Sapulpa, OK Fast Five Weekly Series Champ 360 Sprints - Winged, Asphalt Mini Stocks, Hobby Stocks, A Modifieds, Dwarf | Results | | Jimmy Masterson (Asphalt Mini Stocks) | DNS | - | - | DNS |
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| 5/2/2015 | Creek County Speedway - Sapulpa, OK Fast Five Weekly Series Champ 360 Sprints - Winged, Asphalt Mini Stocks, Hobby Stocks, A Modifieds, Dwarf | Results | | Jimmy Masterson (Asphalt Mini Stocks) | 5th | - | - | 15th |
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| 5/16/2015 | Creek County Speedway - Sapulpa, OK Fast Five Weekly Series Champ 360 Sprints - Winged, Asphalt Mini Stocks, Hobby Stocks, A Modifieds, Dwarf | Results | | Jimmy Masterson (Asphalt Mini Stocks) | 4th | - | - | 7th |
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| 5/22/2015 | Creek County Speedway - Sapulpa, OK Randy Wheeler Memorial / Fast Five Weekly Series Champ 360 Sprints - Winged, Asphalt Mini Stocks, Hobby Stocks, A Modifieds, Dwarf | Results | | Jimmy Masterson (Asphalt Mini Stocks) | 5th | - | - | 4th |
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| 5/30/2015 | Creek County Speedway - Sapulpa, OK Fast Five Weekly Series Champ 360 Sprints - Winged, Asphalt Mini Stocks, Hobby Stocks, A Modifieds, Dwarf | Results | | Jimmy Masterson (Asphalt Mini Stocks) | 4th | - | - | 8th |
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| 6/6/2015 | Creek County Speedway - Sapulpa, OK Fast Five Weekly Series Champ 360 Sprints - Winged, Asphalt Mini Stocks, Hobby Stocks, A Modifieds, Dwarf | Results | | Jimmy Masterson (Asphalt Mini Stocks) | 4th | - | - | 4th |
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| 6/20/2015 | Creek County Speedway - Sapulpa, OK Fast Five Weekly Series Champ 360 Sprints - Winged, Asphalt Mini Stocks, Hobby Stocks, A Modifieds, Dwarf | Results | | Jimmy Masterson (Asphalt Mini Stocks) | 7th | - | - | DNS |
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| 6/27/2015 | Creek County Speedway - Sapulpa, OK Fast Five Weekly Series Champ 360 Sprints - Winged, Asphalt Mini Stocks, Hobby Stocks, A Modifieds, Dwarf | Results | | Jimmy Masterson (Asphalt Mini Stocks) | 6th | - | - | 12th |
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| 7/11/2015 | Creek County Speedway - Sapulpa, OK Fast Five Weekly Series Champ 360 Sprints - Winged, Asphalt Mini Stocks, Hobby Stocks, A Modifieds, Dwarf | Results | | Jimmy Masterson (Asphalt Mini Stocks) | 1st | - | - | 5th |
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| 7/18/2015 | Creek County Speedway - Sapulpa, OK Fast Five Weekly Series Champ 360 Sprints - Winged, Asphalt Mini Stocks, Hobby Stocks, A Modifieds, Dwarf | Results | | Jimmy Masterson (Asphalt Mini Stocks) | 10th | - | - | 4th |
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| 7/25/2015 | Creek County Speedway - Sapulpa, OK Fast Five Weekly Series Champ 360 Sprints - Winged, Asphalt Mini Stocks, Hobby Stocks, A Modifieds, Dwarf | Results | | Jimmy Masterson (Asphalt Mini Stocks) | 3rd | - | - | 4th |
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| 7/31/2015 | Creek County Speedway - Sapulpa, OK Fast Five Weekly Series Makeup Points Race Champ 360 Sprints - Winged, Asphalt Mini Stocks, Hobby Stocks, A Modifieds, Dwarf | Results | | Jimmy Masterson (Asphalt Mini Stocks) | 2nd | - | - | 4th |
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| 8/1/2015 | Creek County Speedway - Sapulpa, OK Fast Five Weekly Series Champ 360 Sprints - Winged, Asphalt Mini Stocks, Hobby Stocks, A Modifieds, Dwarf | Results | | Jimmy Masterson (Asphalt Mini Stocks) | 1st | - | - | 7th |
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| 8/8/2015 | Creek County Speedway - Sapulpa, OK Fast Five Weekly Series Champ 360 Sprints - Winged, Asphalt Mini Stocks, Hobby Stocks, A Modifieds, Dwarf, Champ 360 Sprints - Non Winged | Results | | Jimmy Masterson (Asphalt Mini Stocks) | 9th (DNF) | - | - | 4th |
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| 8/15/2015 | Creek County Speedway - Sapulpa, OK Fast Five Weekly Series Champ 360 Sprints - Winged, Asphalt Mini Stocks, Hobby Stocks, A Modifieds, Dwarf | Results | | Jimmy Masterson (Asphalt Mini Stocks) | 6th | - | - | 7th |
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| 8/29/2015 | Creek County Speedway - Sapulpa, OK Fast Five Weekly Series Champ 360 Sprints - Winged, Asphalt Mini Stocks, Hobby Stocks, A Modifieds, Dwarf | Results | | Jimmy Masterson (Asphalt Mini Stocks) | 3rd | - | - | 7th |
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