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| 4/4/2015 | Yakima Dirt Track - Yakima, WA Summer Thunder Sprint Tour at Yakima Fairgrounds 360 Sprints - Winged: Summer Thunder Series with Summer Thunder Sprint Series Sprint Cars, B Modifieds, Vintage Modifieds | Results | | Melvin Decker (A Modifieds) | - | - | - | - | | Melvin Decker (B Modifieds) | 2nd | - | - | 5th |
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| 4/18/2015 | Skagit Speedway - Burlington, WA 2015 SEASON OPENER! Dwayne Lane Auto Centers Racing Series A Modifieds: Washington Modified Tour 360 Sprints - Winged, 410 Sprints - Winged, Sportsman Sprints, Vintage Modifieds, Hornets | Results | | Melvin Decker (A Modifieds) | 4th | - | - | 7th |
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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 | | Melvin Decker (A Modifieds) | 4th | - | - | 8th |
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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 | | Melvin Decker (A Modifieds) | 2nd | - | - | 8th |
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| 5/16/2015 | Skagit Speedway - Burlington, WA ROUND FIVE Dwayne Lane Auto Centers Racing Series A Modifieds: Washington Modified Tour 360 Sprints - Winged, Sportsman Sprints, Vintage Modifieds, Hornets | Results | | Melvin Decker (A Modifieds) | 2nd | - | - | 2nd |
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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 | | Melvin Decker (A Modifieds) | 6th | - | - | 8th |
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| 6/6/2015 | Skagit Speedway - Burlington, WA ROUND EIGHT Dwayne Lane Auto Centers Racing Series A Modifieds: Washington Modified Tour 410 Sprints - Winged, Sportsman Sprints, Vintage Modifieds, Hornets | Results | | Melvin Decker (A Modifieds) | 3rd | - | - | 4th |
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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 | | Melvin Decker (A Modifieds) | 5th | - | - | 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 | | Melvin Decker (A Modifieds) | 4th | - | - | 7th |
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| 7/11/2015 | Skagit Speedway - Burlington, WA LES SCHWAB TIRES MIDSEASON CHAMPIONSHIPS & HUGE FIREWORKS EXTRAVAGANZA! 360 Sprints - Winged, 410 Sprints - Winged, Sportsman Sprints, A Modifieds, Hornets | Results | | Melvin Decker (A Modifieds) | - | - | - | 3rd |
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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 | | Melvin Decker (A Modifieds) | 12th | - | - | - |
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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 | | Melvin Decker (A Modifieds) | - | - | - | - |
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| 8/15/2015 | Skagit Speedway - Burlington, WA Skagit 12 and Skagit Seahwkers Night! / Fastenal Employee Night/ Burned Children Recovery 360 Sprints - Winged, A Modifieds, Street Stocks, Hornets | Results | | Melvin Decker (A Modifieds) | 2nd | - | - | 2nd |
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| 9/5/2015 | Skagit Speedway - Burlington, WA Monster Meltdown 410 Sprints - Winged: World of Outlaws A Modifieds | Results | | Melvin Decker (A Modifieds) | 6th | - | - | 7th |
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| 9/19/2015 | Skagit Speedway - Burlington, WA SCRAP-IT SEASON CHAMPIONSHIPS & HUGE FIREWORKS SHOW! 360 Sprints - Winged, 410 Sprints - Winged, Sportsman Sprints, A Modifieds, Hornets | Results | | Melvin Decker (A Modifieds) | - | 2nd | - | 2nd |
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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 | | Melvin Decker (A Modifieds) | - | - | 3rd | 9th |
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