| | Heat | Dash | B Feature | A Feature |
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| 4/25/2015 | Grays Harbor Raceway - Elma, WA Season Opener Grays Harbor Racing Series 360 Sprints - Winged, Midgets, A Modifieds, Street Stocks, Hornets | Results | | Doug Davidson (Midgets) | 7th | - | - | 10th |
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| 5/2/2015 | Skagit Speedway - Burlington, WA Summer Thunder Sprint Series presented by Here 2 Wire & Finishline Graphics 360 Sprints - Winged: Summer Thunder Series with Summer Thunder Sprint Series Sprint Cars, Midgets, A Modifieds | Results | | Doug Davidson (Midgets) | 6th | - | - | 11th |
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| 5/16/2015 | Grays Harbor Raceway - Elma, WA Round 4 Grays Harbor Racing Series 360 Sprints - Non-Winged: WSS - Wingless Sprint Series with ODSS-Oregon Double Shot Series Midgets, Street Stocks, Hornets | Results | | Doug Davidson (Midgets) | 6th | - | - | 6th |
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| 6/13/2015 | Grays Harbor Raceway - Elma, WA Round 8 Grays Harbor Racing Series A Modifieds: Washington Modified Tour 360 Sprints - Non-Winged: WSS - Wingless Sprint Series with ODSS-Oregon Double Shot Series Midgets, Vintage Modifieds, Hornets | Results | | Doug Davidson (Midgets) | 4th | - | - | 7th |
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| 6/26/2015 | Skagit Speedway - Burlington, WA Jim Raper Memorial Dirt Cup 360 Sprints - Winged: ASCS National with Summer Thunder Series, Summer Thunder Sprint Series Midgets | Results | | Doug Davidson (Midgets) | 7th | - | - | 10th |
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| 7/3/2015 | Grays Harbor Raceway - Elma, WA Fred Brownfield Classic 360 Sprints - Winged: ASCS National with Summer Thunder Series, Summer Thunder Sprint Series Midgets | Results | | Doug Davidson (Midgets) | 5th | - | - | 12th |
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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 | | Doug Davidson (Midgets) | - | - | - | 8th |
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| 7/25/2015 | Skagit Speedway - Burlington, WA BOB'S BURGERS & BREW SUMMER NATIONALS FINALE 360 Sprints - Winged: Summer Thunder Series with Summer Thunder Sprint Series Midgets, Hornets | Results | | Doug Davidson (Midgets) | 6th | - | - | 12th |
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| 8/1/2015 | Sunset Speedway Park - Banks, OR 360 Sprints - Non-Winged: WSS - Wingless Sprint Series with ODSS-Oregon Double Shot Series Midgets, DIRTcar Factory Stock, Dwarf | Results | | Doug Davidson (Midgets) | - | - | - | 6th |
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| 8/15/2015 | Grays Harbor Raceway - Elma, WA Rolling Thunder Big Rigs! Midgets, A Modifieds | Results | | Doug Davidson (Midgets) | 6th | - | - | 12th |
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