| | 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 | | Garrett Thomas (Midgets) | 1st | - | - | 1st |
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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 | | Garrett Thomas (Midgets) | 1st | - | - | 8th (DNF) |
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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 | | Garrett Thomas (Midgets) | 1st | - | - | 1st |
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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 | | Garrett Thomas (Midgets) | 7th | - | - | 10th |
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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 | | Garrett Thomas (Midgets) | 6th | - | - | 15th |
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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 | | Garrett Thomas (Midgets) | 6th | - | - | 15th |
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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 | | Garrett Thomas (Midgets) | 1st | - | - | 3rd |
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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 | | Garrett Thomas (Midgets) | - | 2nd | - | 3rd |
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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 | | Garrett Thomas (Midgets) | - | - | - | 4th |
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| 8/15/2015 | Grays Harbor Raceway - Elma, WA Rolling Thunder Big Rigs! Midgets, A Modifieds | Results | | Garrett Thomas (Midgets) | 3rd | - | - | 4th |
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| 8/22/2015 | Cottage Grove Speedway - Cottage Grove, OR LOGGER'S CUP-$1,500.00 TO WIN LATE MODELS 360 Sprints - Non-Winged: WSS - Wingless Sprint Series with ODSS-Oregon Double Shot Series Midgets, Dirt Super Late Models, B Modifieds, Street Stocks | Results | | Garrett Thomas (Midgets) | 1st | 2nd | - | 1st |
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