| | Heat | Dash | B Feature | A Feature |
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| 7/11/2015 | Grays Harbor Raceway - Elma, WA Mid Season Championships and Giant Firewoks Show 360 Sprints - Winged, Midgets, Dirt Super Late Models, A Modifieds, Street Stocks, Hornets | Results | | Zack Simpson (A Modifieds) | - | - | - | 17th |
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| 7/24/2015 | Grays Harbor Raceway - Elma, WA Shipwreck Beads Modified Nationals / Dwarf Car Nationals A Modifieds: Washington Modified Tour Vintage Modifieds, Dwarf | Results | | Zack Simpson (A Modifieds) | 9th | - | - | - |
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| 7/25/2015 | Grays Harbor Raceway - Elma, WA Shipwreck Beads Modified National Finals / Dwarf Car Nationals A Modifieds: Washington Modified Tour Vintage Modifieds, Dwarf | Results | | Zack Simpson (A Modifieds) | 14th | - | 17th | - |
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| 8/15/2015 | Grays Harbor Raceway - Elma, WA Rolling Thunder Big Rigs! Midgets, A Modifieds | Results | | Zack Simpson (A Modifieds) | 3rd | - | - | 7th |
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| 8/22/2015 | Grays Harbor Raceway - Elma, WA Round 15 Grays Harbor Racing Series 360 Sprints - Winged, A Modifieds, Dwarf, Hornets | Results | | Zack Simpson (A Modifieds) | 2nd | - | - | 9th |
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| 10/3/2015 | Grays Harbor Raceway - Elma, WA Season Championships and Fireworks Extravaganza!! -- Fan Appreciation Night! A Modifieds: Washington Modified Tour 360 Sprints - Winged, Midgets, Dirt Super Late Models, Street Stocks, Vintage Modifieds, Hornets | Results | | Zack Simpson (A Modifieds) | - | - | 4th | 19th |
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