| | Heat | Dash | B Feature | A Feature |
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| 3/28/2015 | Silver Dollar Speedway - Chico, CA 410 Sprints - Winged: World of Outlaws | Results | | Billy Butler (410 Sprints - Winged) | 8th | - | - | - |
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| 4/4/2015 | Placerville Speedway - Placerville, CA 410 Sprints - Winged: NARC King of the West Sprints Midgets: BCRA - Bay Cities Racing Association | Results | | Billy Butler (410 Sprints - Winged) | 6th | - | 6th | 8th |
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| 5/2/2015 | Petaluma Speedway - Petaluma, CA 360 Sprints - Winged, 360 Sprints - Non-Winged | Results | | Billy Butler (360 Sprints - Winged) | 4th | - | - | 17th |
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| 5/9/2015 | Placerville Speedway - Placerville, CA | Results | | Billy Butler (360 Sprints - Winged) | 1st | - | - | 7th |
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| 5/16/2015 | Marysville Raceway - Marysville, CA | Results | | Billy Butler (360 Sprints - Winged) | 1st | - | - | 5th |
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| 5/23/2015 | Marysville Raceway - Marysville, CA 360 Sprints - Winged: California Sprint Car Civil War Series | Results | | Billy Butler (360 Sprints - Winged) | 8th | - | 7th | - |
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| 5/30/2015 | Marysville Raceway - Marysville, CA | Results | | Billy Butler (410 Sprints - Winged) | 2nd | - | - | 4th |
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| 6/6/2015 | Petaluma Speedway - Petaluma, CA 360 Sprints - Winged, 360 Sprints - Non-Winged | Results | | Billy Butler (360 Sprints - Winged) | 3rd | - | - | 6th |
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| 6/13/2015 | Petaluma Speedway - Petaluma, CA Midgets: USAC Western Midgets with BCRA - Bay Cities Racing Association 360 Sprints - Winged | Results | | Billy Butler (360 Sprints - Winged) | 3rd | - | - | 17th |
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| 6/20/2015 | Marysville Raceway - Marysville, CA 410 Sprints - Winged, Economy Sprints - Winged, 360 Sprints - Non-Winged | Results | | Billy Butler (410 Sprints - Winged) | 1st | - | - | 7th |
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| 7/11/2015 | Placerville Speedway - Placerville, CA 360 Sprints - Winged, Economy Midgets | Results | | Billy Butler (360 Sprints - Winged) | - | - | - | 9th |
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| 7/18/2015 | Placerville Speedway - Placerville, CA 410 Sprints - Winged: NARC King of the West Sprints | Results | | Billy Butler (410 Sprints - Winged) | 2nd | - | - | 12th |
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| 8/1/2015 | Placerville Speedway - Placerville, CA Midgets: BCRA - Bay Cities Racing Association 360 Sprints - Winged | Results | | Billy Butler (360 Sprints - Winged) | 4th | - | - | 10th |
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| 8/8/2015 | Placerville Speedway - Placerville, CA 360 Sprints - Winged: California Sprint Car Civil War Series Economy Midgets | Results | | Billy Butler (360 Sprints - Winged) | 2nd | - | - | 19th |
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| 8/15/2015 | Placerville Speedway - Placerville, CA | Results | | Billy Butler (360 Sprints - Winged) | 1st | - | - | 7th |
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| 9/5/2015 | Marysville Raceway - Marysville, CA 360 Sprints - Winged, Economy Sprints - Winged, 360 Sprints - Non-Winged | Results | | Billy Butler (360 Sprints - Winged) | 6th | - | 3rd | 6th |
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| 9/12/2015 | Petaluma Speedway - Petaluma, CA 360 Sprints - Winged, 360 Sprints - Non-Winged | Results | | Billy Butler (360 Sprints - Winged) | 2nd | - | - | 2nd |
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| 9/19/2015 | Petaluma Speedway - Petaluma, CA | Results | | Billy Butler (360 Sprints - Winged) | 8th | - | - | 9th |
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| 9/26/2015 | Petaluma Speedway - Petaluma, CA Civil War Sprint Series 360 Sprints - Winged: California Sprint Car Civil War Series Stock Non-Wing | Results | | Billy Butler (360 Sprints - Winged) | 8th | - | - | - |
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| 10/3/2015 | Silver Dollar Speedway - Chico, CA Pacific 360 Sprints Fall Nationals 360 Sprints - Winged, 360 Sprints - Non-Winged | Results | | Billy Butler (360 Sprints - Winged) | - | - | - | - |
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| 10/10/2015 | Petaluma Speedway - Petaluma, CA 4th Annual Adobe Cup 360 Sprints - Winged, 360 Sprints - Non-Winged | Results | | Billy Butler (360 Sprints - Winged) | 2nd | - | - | 5th |
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| 10/16/2015 | Thunderbowl Raceway - Tulare, CA Trophy Cup 360 Sprints - Winged | Results | | Billy Butler (360 Sprints - Winged) | - | - | 18th | - |
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| 10/17/2015 | Thunderbowl Raceway - Tulare, CA Trophy Cup 360 Sprints - Winged | Results | | Billy Butler (360 Sprints - Winged) | - | - | - | - |
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| 11/7/2015 | Stockton Dirt Track - Stockton, CA 32nd Annual Tribute to Gary Patterson 360 Sprints - Winged: California Sprint Car Civil War Series 410 Sprints - Winged: NARC King of the West Sprints | Results | | Billy Butler (410 Sprints - Winged) | - | - | - | 9th |
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