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| 5/8/2015 | St. Croix Speedway - St. Croix Falls, WI Season Opener for Traditional Sprints Winged Outlaw: Minnesota Micro Sprints 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series DIRTcar Sport Compact, Stock Cars, A Modifieds, B Modifieds | Results | | Chet Atkinson (A Modifieds) | 5th | - | - | 7th (DNF) |
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| 6/5/2015 | St. Croix Speedway - St. Croix Falls, WI Winged Outlaw: Minnesota Micro Sprints 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series Vintage Modifieds: Northern Vintage Stockcar Racers DIRTcar Sport Compact, Stock Cars, A Modifieds, B Modifieds, Vintage Full Body Stock Cars | Results | | Chet Atkinson (A Modifieds) | 9th (DNF) | - | - | 7th |
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| 6/12/2015 | St. Croix Speedway - St. Croix Falls, WI Winged Outlaw: Minnesota Micro Sprints 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series DIRTcar Sport Compact, Stock Cars, A Modifieds, Winged A-Class, B Modifieds | Results | | Chet Atkinson (A Modifieds) | 4th | - | - | 7th |
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| 6/19/2015 | St. Croix Speedway - St. Croix Falls, WI Winged Outlaw: Minnesota Micro Sprints 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series DIRTcar Sport Compact, Stock Cars, A Modifieds, B Modifieds | Results | | Chet Atkinson (A Modifieds) | 7th | - | - | 7th |
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| 6/26/2015 | St. Croix Speedway - St. Croix Falls, WI Winged Outlaw: Minnesota Micro Sprints 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series DIRTcar Sport Compact, Stock Cars, A Modifieds, B Modifieds | Results | | Chet Atkinson (A Modifieds) | 4th | - | - | DNS |
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| 9/25/2015 | Deer Creek Speedway - Spring Valley, MN A Modifieds: USMTS - United States Modified Touring Series | Results | | Chet Atkinson (A Modifieds) | 10th | - | 13th | - |
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| 9/26/2015 | Deer Creek Speedway - Spring Valley, MN A Modifieds: USMTS - United States Modified Touring Series | Results | | Chet Atkinson (A Modifieds) | 10th | - | 10th | - |
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