| | 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 | | Tom Sweatman (A Modifieds) | 3rd | - | - | 4th |
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| 5/2/2015 | Grays Harbor Raceway - Elma, WA Round 2 Grays Harbor Racing Series Sportsman Sprints, A Modifieds, Street Stocks, Hornets | Results | | Tom Sweatman (A Modifieds) | 3rd | - | - | 1st |
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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 | | Tom Sweatman (A Modifieds) | 1st | - | - | 2nd |
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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 | | Tom Sweatman (A Modifieds) | 2nd | - | - | 1st |
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| 5/30/2015 | Grays Harbor Raceway - Elma, WA Round 6 Grays Harbor Racing Series A Modifieds: Washington Modified Tour Street Stocks, Vintage Modifieds, Dwarf | Results | | Tom Sweatman (A Modifieds) | 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 | | Tom Sweatman (A Modifieds) | 1st | - | - | 1st |
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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 | | Tom Sweatman (A Modifieds) | 4th | - | - | 4th |
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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 | | Tom Sweatman (A Modifieds) | - | 3rd | - | 2nd |
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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 | | Tom Sweatman (A Modifieds) | 1st | - | - | 13th |
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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 | | Tom Sweatman (A Modifieds) | 6th | - | 5th | 21st |
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| 8/15/2015 | Grays Harbor Raceway - Elma, WA Rolling Thunder Big Rigs! Midgets, A Modifieds | Results | | Tom Sweatman (A Modifieds) | 3rd | - | - | 6th |
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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 | | Tom Sweatman (A Modifieds) | 3rd | - | - | 18th |
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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 | | Tom Sweatman (A Modifieds) | - | 1st | - | 14th |
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