| | Heat | Dash | B Feature | A Feature |
|---|
|
|---|
| 5/23/2015 | Sunset Speedway Park - Banks, OR 98.7 THE BULL PRESENTS SPRING CHALLENGE Dirt Late Models: NW Extreme Late Models A Modifieds, Restricted 'A' Class, Winged A-Class, Street Stocks, Hornets | Results | | Sawyer Sorgenfrei (Restricted 'A' Class) | 1st | 4th | - | 2nd |
|
| 5/24/2015 | Sunset Speedway Park - Banks, OR SPRING CHALLENGE A Modifieds, Restricted 'A' Class, Winged A-Class, Street Stocks, Dirt Late Models, Hornets | Results | | Sawyer Sorgenfrei (Restricted 'A' Class) | 2nd | 3rd | - | 4th |
|
| 12/28/2015 | Tulsa Expo Raceway - Tulsa, OK Early Move-In Economy Midgets, Winged Outlaw, Non-Wing Outlaw, Restricted 'A' Class, Winged A-Class, Stock Non-Wing, Junior Sprints, 1200cc Outlaws Non-Winged Minis, 1200cc Outlaws Winged Minis | Results | | Sawyer Sorgenfrei (Restricted 'A' Class) | - | - | - | - | | Sawyer Sorgenfrei (Winged A-Class) | - | - | - | - | | Sawyer Sorgenfrei (Stock Non-Wing) | - | - | - | - |
|
| 12/29/2015 | Tulsa Expo Raceway - Tulsa, OK Move-In / Registation Economy Midgets, Winged Outlaw, Non-Wing Outlaw, Restricted 'A' Class, Winged A-Class, Stock Non-Wing, Junior Sprints, 1200cc Outlaws Non-Winged Minis, 1200cc Outlaws Winged Minis | Results | | Sawyer Sorgenfrei (Restricted 'A' Class) | 5th | - | - | - |
|
| 12/31/2015 | Tulsa Expo Raceway - Tulsa, OK Racing Economy Midgets, Winged Outlaw, Non-Wing Outlaw, Restricted 'A' Class, Winged A-Class, Stock Non-Wing, Junior Sprints, 1200cc Outlaws Non-Winged Minis, 1200cc Outlaws Winged Minis | Results | | Sawyer Sorgenfrei (Restricted 'A' Class) | - | - | - | - | | Sawyer Sorgenfrei (Winged A-Class) | 5th | - | - | - | | Sawyer Sorgenfrei (Stock Non-Wing) | 9th (DNF) | - | - | - |
|