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| 1/2/2015 | Winter Heat Sprint Car Showdown | Results | | Sam Hafertepe Jr (410 Winged Sprints) | 6th (DNF) | - | 4th | 11th |
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| 1/3/2015 | Winter Heat Sprint Car Showdown | Results | | Sam Hafertepe Jr (410 Winged Sprints) | 5th | - | - | 24th (DNF) |
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| 1/6/2015 | Winter Heat Sprint Car Showdown | Results | | Sam Hafertepe Jr (410 Winged Sprints) | 2nd | - | 11th | - |
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| 1/9/2015 | Winter Heat Sprint Car Showdown | Results | | Sam Hafertepe Jr (410 Winged Sprints) | 2nd | - | DNS | - |
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| 1/10/2015 | Winter Heat Sprint Car Showdown | Results | | Sam Hafertepe Jr (410 Winged Sprints) | 5th | - | - | 4th |
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| 1/13/2015 | Warren Cat Qualifying Night / VIROC VII | Results | | Sam Hafertepe Jr (Midgets) | 1st | 2nd | - | 13th |
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| 1/17/2015 | Lucas Oil Championship Night | Results | | Sam Hafertepe Jr (Midgets) | - | - | 16th | - |
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| 2/19/2015 | | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 2nd | - | 2nd | 12th |
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| 2/20/2015 | | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 3rd | - | 3rd | 12th |
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| 2/21/2015 | Ronald Laney Memorial - $10,000 to win | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 2nd | - | 2nd | 21st (DNF) |
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| 2/27/2015 | | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 3rd | - | 3rd | 24th (DNF) |
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| 2/28/2015 | | Rain Out |
| 3/13/2015 | 8th annual Prelude to the Gulf Coast Nationals | Rain Out |
| 3/14/2015 | 8th annual Gulf Coast Nationals | Rain Out |
| 3/20/2015 | | Rain Out |
| 3/21/2015 | | Rain Out |
| 3/27/2015 | | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 8th | - | 5th | - |
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| 3/28/2015 | | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 3rd | - | - | 11th |
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| 4/3/2015 | | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 3rd | - | - | 8th |
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| 4/3/2015 | | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 3rd | - | - | 8th |
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| 4/11/2015 | | Results | | Sam Hafertepe Jr (410 Winged Sprints) | - | - | - | - |
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| 4/18/2015 | | Rain Out |
| 4/25/2015 | | Results | | Sam Hafertepe Jr (410 Winged Sprints) | 4th | - | - | 8th |
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| 5/1/2015 | | Results | | Sam Hafertepe Jr (410 Winged Sprints) | 9th | - | 6th | 24th |
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| 7/24/2015 | | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 1st | - | - | 1st |
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| 7/25/2015 | | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 4th | - | - | 1st |
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| 7/31/2015 | | Results | | Sam Hafertepe Jr (410 Winged Sprints) | - | - | - | - |
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| 8/1/2015 | | Results | | Sam Hafertepe Jr (410 Winged Sprints) | - | - | - | - |
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Listen on RacinBoys08/06/15 7:00 PM CST Click the icon to go to broadcast | 8/6/2015 | Arnold Motor Supply 360 Nationals | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 6th | - | 8th | - |
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| 8/7/2015 | | Dropped |
| 8/7/2015 | | Canceled |
| 8/8/2015 | | Canceled |
Listen on RacinBoys08/08/15 6:30 PM CST Click the icon to go to broadcast | 8/8/2015 | Arnold Motor Supply 360 Nationals | Results | | Sam Hafertepe Jr (360 Winged Sprints) | - | - | 21st (DNF) | - |
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| 8/9/2015 | | Results | | Sam Hafertepe Jr (410 Winged Sprints) | 2nd | 3rd | - | 19th |
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| 8/13/2015 | 55th Annual FVP Knoxville Nationals | Results | | Sam Hafertepe Jr (410 Winged Sprints) | 10th | - | - | - |
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| 8/21/2015 | North Texas vs South Texas - Night 1 | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 6th | - | 4th | 20th (DNF) |
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Listen on RacinBoys08/23/15 7:00 PM EST Click the icon to go to broadcast | 8/23/2015 | $12,000 to win High Roller Classic presented by Casey's General Store | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 2nd | - | - | 7th |
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| 8/28/2015 | | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 3rd | - | - | 2nd |
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| 8/29/2015 | | Rain Out |
| 9/4/2015 | 14th annual Gulf South Championship Weekend | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 2nd | - | - | 3rd |
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| 9/5/2015 | 14th annual Gulf South Championship Weekend | Results | | Sam Hafertepe Jr (360 Winged Sprints) | - | - | - | 1st |
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| 9/11/2015 | | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 1st | - | - | 5th |
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| 9/12/2015 | 10,000 to winOne URC Provisional NO POINTS | Rain Out |
| 9/18/2015 | Night before the Nationals | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 2nd | - | 7th | 2nd |
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| 9/19/2015 | 11th Annual Canadian Sprint Car Nationals | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 3rd | - | - | 8th |
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| 9/25/2015 | | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 4th | - | - | 6th |
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| 9/26/2015 | | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 2nd | - | 1st | 9th |
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| 10/3/2015 | | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 2nd | - | - | 1st |
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| 10/9/2015 | | Canceled |
| 10/10/2015 | | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 4th | - | - | 1st |
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Watch on RacinBoys10/16/15 7:00 PM CST Click the icon to go to broadcast | 10/16/2015 | | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 5th | - | 4th | - |
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Watch on RacinBoys10/17/15 7:00 PM CST Click the icon to go to broadcast | 10/17/2015 | | Results | | Sam Hafertepe Jr (360 Winged Sprints) | 2nd | - | - | 1st |
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| 10/28/2015 | | Rain Out |
| 10/29/2015 | | Results | | Sam Hafertepe Jr (360 Winged Sprints) | - | - | - | - |
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| 10/30/2015 | | Rain Out |
| 10/31/2015 | | Rain Out |
| 11/5/2015 | | Results | | Sam Hafertepe Jr (410 Winged Sprints) | - | - | - | - |
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| 11/6/2015 | | Results | | Sam Hafertepe Jr (410 Winged Sprints) | 7th | - | - | - |
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| 11/7/2015 | | Rain Out |
| 11/8/2015 | | Results | | Sam Hafertepe Jr (410 Winged Sprints) | 9th | - | - | - |
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