| | Heat | Dash | B Feature | A Feature |
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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 | | Alan Muenchow (A Modifieds) | - | - | - | - | | Alan Muenchow (B Modifieds) | 5th | - | - | 16th |
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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 | | Alan Muenchow (A Modifieds) | 6th | - | - | 7th |
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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 | | Alan Muenchow (A Modifieds) | 3rd | - | - | DNS |
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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 | | Alan Muenchow (A Modifieds) | 3rd | - | - | 13th |
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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 | | Alan Muenchow (A Modifieds) | 4th | - | - | 18th |
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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 | | Alan Muenchow (A Modifieds) | - | - | - | 7th |
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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 | | Alan Muenchow (A Modifieds) | 7th | - | 15th | - |
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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 | | Alan Muenchow (A Modifieds) | 10th | - | - | - |
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| 8/15/2015 | Grays Harbor Raceway - Elma, WA Rolling Thunder Big Rigs! Midgets, A Modifieds | Results | | Alan Muenchow (A Modifieds) | - | - | - | 18th |
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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 | | Alan Muenchow (A Modifieds) | 6th | - | - | 12th |
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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 | | Alan Muenchow (A Modifieds) | - | - | 1st | 8th |
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