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| 5/22/2015 | St. Croix Speedway - St. Croix Falls, WI 4th Annual DaveyTabor Memorial Winged Outlaw: Minnesota Micro Sprints 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series 360 Sprints - Winged, DIRTcar Sport Compact, Stock Cars, Winged A-Class, B Modifieds | Results | | Jake Lempelius (360 Sprints - Winged) | 6th | 5th | - | 14th |
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| 5/23/2015 | Rice Lake Speedway - Rice Lake, WI 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series 360 Sprints - Winged | Results | | Jake Lempelius (360 Sprints - Winged) | 6th | 6th | - | 11th |
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| 6/5/2015 | Princeton Speedway - Princeton, MN 14th Annual Billy Anderson Memorial 360 Sprints - Winged | Results | | Jake Lempelius (360 Sprints - Winged) | 6th | 8th | - | 12th |
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| 6/6/2015 | Ogilvie Raceway - Ogilvie, MN Big O Sprint Showdown 360 Sprints - Winged | Results | | Jake Lempelius (360 Sprints - Winged) | 6th | 6th | - | 9th |
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| 6/27/2015 | Deer Creek Speedway - Spring Valley, MN Midwest Power Outlaw Sprint Car Series 360 Sprints - Winged | Results | | Jake Lempelius (360 Sprints - Winged) | 8th | 10th | - | 20th (DNF) |
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| 7/10/2015 | Cedar Lake Speedway - New Richmond, WI Summer Sprint Special w/Traditional Sprints 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series 360 Sprints - Winged | Results | | Jake Lempelius (360 Sprints - Winged) | 7th | DNS | - | 19th (DNF) |
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| 7/11/2015 | Cedar Lake Speedway - New Richmond, WI World of Outlaws w/UMSS & Traditional Sprints 410 Sprints - Winged: World of Outlaws 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series 360 Sprints - Winged | Results | | Jake Lempelius (360 Sprints - Winged) | 6th | 10th | - | 20th (DNF) |
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| 7/24/2015 | St. Croix Speedway - St. Croix Falls, WI 3rd Annual UMSS Dan Grams Memorial Winged Outlaw: Minnesota Micro Sprints 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series 360 Sprints - Winged, DIRTcar Sport Compact, Stock Cars, Winged A-Class, B Modifieds | Results | | Jake Lempelius (360 Sprints - Winged) | 5th | 5th | - | 8th |
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| 7/25/2015 | Rice Lake Speedway - Rice Lake, WI 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series 360 Sprints - Winged | Results | | Jake Lempelius (360 Sprints - Winged) | 6th (DNF) | DNS | - | 12th (DNF) |
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| 8/21/2015 | Princeton Speedway - Princeton, MN 23rd Annual (Ethel) Kouba Memorial & Minnesota Summer Heat Series 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series 360 Sprints - Winged | Results | | Jake Lempelius (360 Sprints - Winged) | 5th | 9th | - | 15th |
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| 8/28/2015 | St. Croix Speedway - St. Croix Falls, WI 4th Annual Open Wheel Nationals 360 Sprints - Winged: Sprint Invaders 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series A Modifieds, B Modifieds | Results | | Jake Lempelius (360 Sprints - Winged) | 5th | 6th | - | 8th |
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| 9/6/2015 | North Central Speedway - Brainerd, MN 14th Annual Mighty Axe Nationals 360 Sprints - Winged | Results | | Jake Lempelius (360 Sprints - Winged) | 9th | DNS | - | DNS |
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| 9/11/2015 | St. Croix Speedway - St. Croix Falls, WI 23rd Annual Kouba Memorial & Midwest Power Outlaw Sprint Car Series Winged Outlaw: Minnesota Micro Sprints 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series Vintage Modifieds: Northern Vintage Stockcar Racers 360 Sprints - Winged, Winged A-Class, Vintage Full Body Stock Cars | Results | | Jake Lempelius (360 Sprints - Winged) | 6th | - | - | 14th |
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| 9/12/2015 | Cedar Lake Speedway - New Richmond, WI Jerry Richert Memorial with IRA 410 Sprints - Winged: IRA Interstate Racing Association with National Sprint League 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series 360 Sprints - Winged | Results | | Jake Lempelius (360 Sprints - Winged) | 6th | 8th | - | 14th (DNF) |
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