| | 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 | | Dan Dunlap (360 Sprints - Winged) | 6th | - | - | 10th |
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| 5/9/2015 | Grays Harbor Raceway - Elma, WA Round 3 Grays Harbor Racing Series A Modifieds: Washington Modified Tour 360 Sprints - Winged, B Modifieds, Hornets | Results | | Dan Dunlap (360 Sprints - Winged) | 6th | - | - | 13th |
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| 5/23/2015 | Grays Harbor Raceway - Elma, WA Round 5 Grays Harbor Racing Series 360 Sprints - Winged, Midgets, Dirt Super Late Models, A Modifieds, Street Stocks, Hornets | Results | | Dan Dunlap (360 Sprints - Winged) | 4th | - | - | 7th |
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| 6/6/2015 | Grays Harbor Raceway - Elma, WA Summer Thunder Sprintcar Series presented by Here 2 Wire 360 Sprints - Winged: Summer Thunder Series with Summer Thunder Sprint Series Street Stocks, Hornets | Results | | Dan Dunlap (360 Sprints - Winged) | 7th | - | - | 19th |
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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 | | Dan Dunlap (360 Sprints - Non-Winged) | 1st | - | - | 3rd |
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| 6/20/2015 | Grays Harbor Raceway - Elma, WA Round 9 Grays Harbor Racing Series 360 Sprints - Winged, A Modifieds, Street Stocks, Hornets | Results | | Dan Dunlap (360 Sprints - Winged) | 4th | - | - | 7th |
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| 6/25/2015 | Skagit Speedway - Burlington, WA Jim Raper Memorial Dirt Cup 360 Sprints - Winged: ASCS National with Summer Thunder Series, Summer Thunder Sprint Series | Results | | Dan Dunlap (360 Sprints - Winged) | 8th | - | 14th | - |
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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 | | Dan Dunlap (360 Sprints - Winged) | 4th | - | 10th | - |
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| 6/27/2015 | Skagit Speedway - Burlington, WA Jim Raper Memorial Dirt Cup 360 Sprints - Winged: ASCS National with Summer Thunder Series, Summer Thunder Sprint Series A Modifieds: Washington Modified Tour Vintage Modifieds | Results | | Dan Dunlap (360 Sprints - Winged) | - | - | 14th (DNF) | - |
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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 | | Dan Dunlap (360 Sprints - Winged) | 8th | - | 15th (DNF) | - |
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| 7/4/2015 | Grays Harbor Raceway - Elma, WA Fred Brownfield Classic 360 Sprints - Winged: ASCS National with Summer Thunder Series, Summer Thunder Sprint Series Midgets | Results | | Dan Dunlap (360 Sprints - Winged) | 4th | - | 10th | - |
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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 | | Dan Dunlap (360 Sprints - Winged) | - | 4th | - | 10th |
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| 8/1/2015 | Grays Harbor Raceway - Elma, WA Round 14 Grays Harbor Racing Series 360 Sprints - Winged, Street Stocks, Hornets | Results | | Dan Dunlap (360 Sprints - Winged) | - | - | - | 9th |
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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 | | Dan Dunlap (360 Sprints - Winged) | 5th | - | - | 8th |
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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 | | Dan Dunlap (360 Sprints - Winged) | - | 4th | - | 9th |
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