| | Heat | Dash | B Feature | A Feature |
|---|
|
|---|
| 2/23/2019 | Kings Speedway - Hanford, CA Kings of Thunder Round 1 360 Sprints - Winged: Kings of Thunder 305 Sprints - Winged, B Modifieds | Results | | Grant Duinkerken (360 Sprints - Winged) | 3rd | 7th | - | 16th |
|
| 3/9/2019 | Kings Speedway - Hanford, CA Kings of Thunder Round 2 @ Tulare Thunderbowl 360 Sprints - Winged: Kings of Thunder | Results | | Grant Duinkerken (360 Sprints - Winged) | 2nd | - | - | 8th |
|
| 4/6/2019 | Merced Speedway - Merced, CA Race 3 305 Sprints - Winged: IMCA RaceSaver Sprints A Modifieds, Vintage Modifieds, Pony Stock | Results | | Grant Duinkerken (305 Sprints - Winged) | 3rd | - | - | 2nd |
|
| 4/20/2019 | Kings Speedway - Hanford, CA Kings of Thunder Round 3 360 Sprints - Winged: Kings of Thunder 305 Sprints - Winged, Stock Cars, Lightning Sprints | Results | | Grant Duinkerken (360 Sprints - Winged) | 3rd | - | - | 5th |
|
| 4/27/2019 | Kings Speedway - Hanford, CA Kings of Thunder Round 4 @ Tulare Thunderbowl 360 Sprints - Winged: Kings of Thunder | Results | | Grant Duinkerken (360 Sprints - Winged) | 3rd | - | - | 10th |
|
| 5/4/2019 | Kings Speedway - Hanford, CA Kings of Thunder Round 5 @ Tulare Thunderbowl 360 Sprints - Winged | Results | | Grant Duinkerken (360 Sprints - Winged) | 3rd | 5th | - | 3rd |
|
| 5/11/2019 | Kings Speedway - Hanford, CA Kings of Thunder Round 6 360 Sprints - Winged: Kings of Thunder 305 Sprints - Winged, B Modifieds | Results | | Grant Duinkerken (360 Sprints - Winged) | 4th | 3rd | - | 4th |
|
| 5/17/2019 | Kings Speedway - Hanford, CA Peter Murphy Classic Night #1 - Kings of Thunder Round 7 @ Tulare Thunderbowl 360 Sprints - Winged | Results | | Grant Duinkerken (360 Sprints - Winged) | 7th | - | 10th | - |
|
| 6/1/2019 | Kings Speedway - Hanford, CA FAIR Night! 305 Sprints - Winged, Stock Cars, Lightning Sprints | Results | | Grant Duinkerken (305 Sprints - Winged) | 1st | - | - | - |
|
| 6/7/2019 | Kings Speedway - Hanford, CA Chris and Brian Faria Memorial - Kings of Thunder Round 9 @ Tulare Thunderbowl 360 Sprints - Winged | Results | | Grant Duinkerken (360 Sprints - Winged) | 5th | - | - | 13th |
|
| 6/8/2019 | Kings Speedway - Hanford, CA Peter Murphy Classic Night #2 - Kings of Thunder Round 8 @ Tulare Thunderbowl 360 Sprints - Winged | Results | | Grant Duinkerken (360 Sprints - Winged) | 4th | - | - | 20th |
|
| 6/15/2019 | Kings Speedway - Hanford, CA Kings of Thunder Round 10 360 Sprints - Winged: Sprint Car Challenge Tour with Kings of Thunder 305 Sprints - Winged, Sprint Cars, Stock Cars, Lightning Sprints | Results | | Grant Duinkerken (360 Sprints - Winged) | 5th | - | - | 11th |
|
| 6/22/2019 | Kings Speedway - Hanford, CA Kings of Thunder Round 11 360 Sprints - Winged: Kings of Thunder 305 Sprints - Winged, Stock Cars, B Modifieds | Results | | Grant Duinkerken (360 Sprints - Winged) | 1st | 4th | - | 2nd |
|
| 7/19/2019 | Ocean Speedway - Watsonville, CA Kaeding Classic Night # 1 360 Sprints - Winged: California Sprint Car Civil War Series Midgets: Western Midget Racing Hobby Stocks, B Modifieds | Results | | Grant Duinkerken (360 Sprints - Winged) | 6th | - | 3rd | 20th |
|
| 8/10/2019 | Kings Speedway - Hanford, CA Kings of Thunder Round 12 360 Sprints - Winged, 305 Sprints - Winged, Stock Cars, Lightning Sprints | Results | | Grant Duinkerken (360 Sprints - Winged) | 3rd | 6th | - | 3rd |
|
| 8/23/2019 | Ocean Speedway - Watsonville, CA Taco Bravo Night # 16 360 Sprints - Winged, Factory Stocks, A Modifieds, B Modifieds, Dwarf | Results | | Grant Duinkerken (360 Sprints - Winged) | 1st | 4th | - | 4th |
|
| 9/7/2019 | Kings Speedway - Hanford, CA Kings of Thunder Round 13 360 Sprints - Winged, 305 Sprints - Winged, Stock Cars, B Modifieds | Results | | Grant Duinkerken (360 Sprints - Winged) | 5th | - | - | 3rd |
|
| 10/12/2019 | Kings Speedway - Hanford, CA 34th Annual Cotton Classic 360 Sprints - Winged: Sprint Car Challenge Tour 410 Sprints - Winged: NARC King of the West Sprints 305 Sprints - Winged, Winged Sprints, Sprint Cars, Midgets | Results | | Grant Duinkerken (360 Sprints - Winged) | 4th | - | - | 11th |
|
| 11/16/2019 | Kings Speedway - Hanford, CA Turkey Night! 360 Sprints - Winged, 305 Sprints - Winged, Stock Cars, Lightning Sprints | Results | | Grant Duinkerken (360 Sprints - Winged) | 2nd | - | - | 5th |
|