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| 4/25/2015 | Sunset Speedway Park - Banks, OR Dirt Late Models: NW Extreme Late Models DIRTcar Factory Stock, B Modifieds, Street Stocks, Hornets | Results | | Ron Brewster (Dirt Late Models) | 1st | 4th | - | 8th |
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| 5/9/2015 | Cottage Grove Speedway - Cottage Grove, OR Dirt Late Models: NW Extreme Late Models 360 Sprints - Non-Winged: WSS - Wingless Sprint Series Dirt Super Late Models, A Modifieds, Hornets | Results | | Ron Brewster (Dirt Super Late Models) | - | - | - | 2nd | | Ron Brewster (Dirt Late Models) | 2nd | - | - | 2nd |
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| 5/23/2015 | Sunset Speedway Park - Banks, OR 98.7 THE BULL PRESENTS SPRING CHALLENGE Dirt Late Models: NW Extreme Late Models A Modifieds, Restricted 'A' Class, Winged A-Class, Street Stocks, Hornets | Results | | Ron Brewster (Dirt Late Models) | 4th | - | - | 5th |
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| 5/24/2015 | Sunset Speedway Park - Banks, OR SPRING CHALLENGE A Modifieds, Restricted 'A' Class, Winged A-Class, Street Stocks, Dirt Late Models, Hornets | Results | | Ron Brewster (Dirt Late Models) | 2nd | 4th | - | 4th |
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| 5/30/2015 | Willamette Speedway - Lebanon, OR Dirt Late Models: NW Extreme Late Models Sportsmans, Super Sports, Street Stocks, Dwarf | Results | | Ron Brewster (Dirt Late Models) | 4th | 3rd | - | 2nd |
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| 6/6/2015 | Willamette Speedway - Lebanon, OR NAPA AUTO PARTS STRAWBERRY CUP Dirt Super Late Models, Sportsmans, Super Sports, A Modifieds, Street Stocks | Results | | Ron Brewster (Dirt Super Late Models) | - | - | - | 13th |
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| 6/20/2015 | Coos Bay Speedway - Coos Bay, OR 360 Sprints - Winged: Southern Oregon Sprint Cars-SOSC Dirt Late Models: NW Extreme Late Models | Results | | Ron Brewster (Dirt Late Models) | - | - | - | 3rd |
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| 6/27/2015 | Sunset Speedway Park - Banks, OR ROCKSTAR PRESENTS FAN APPRECIATION NIGHT (MAINS ONLY) DIRTcar Factory Stock, A Modifieds, Restricted 'A' Class, Winged A-Class, B Modifieds, Street Stocks, Dirt Late Models, Dwarf, Hornets | Results | | Ron Brewster (Dirt Late Models) | - | - | - | 4th |
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| 7/4/2015 | Sunset Speedway Park - Banks, OR BASELINE PAWN FIRECRACKER 100 A Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Ron Brewster (Dirt Late Models) | 1st | - | - | 3rd |
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| 7/10/2015 | Cottage Grove Speedway - Cottage Grove, OR MARK HOWARD MEMORIAL MODIFIED NATIONALS Dirt Super Late Models, A Modifieds, Dirt Late Models | Results | | Ron Brewster (Dirt Super Late Models) | 4th | - | 1st | 9th | | Ron Brewster (Dirt Late Models) | 4th | - | 1st | 9th |
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| 7/11/2015 | Cottage Grove Speedway - Cottage Grove, OR MARK HOWARD MEMORIAL MODIFIED NATIONALS- $2600.00 TO WIN- PEPSI FAMILY NIGHT Sportsman Sprints, Dirt Super Late Models, A Modifieds, Dirt Late Models | Results | | Ron Brewster (Dirt Super Late Models) | - | - | - | 5th | | Ron Brewster (Dirt Late Models) | 2nd | - | - | 5th |
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| 7/18/2015 | Willamette Speedway - Lebanon, OR COORS CLAY CUP Dirt Super Late Models, Sportsmans, Super Sports, A Modifieds | Results | | Ron Brewster (Dirt Super Late Models) | - | - | - | 4th |
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| 7/25/2015 | Cottage Grove Speedway - Cottage Grove, OR HERZ PRECISION PARTS $1000.00 TO WIN EXTREME SPRINTS Sportsman Sprints, Dirt Super Late Models, B Modifieds, Hornets, Economy Late Models | Results | | Ron Brewster (Dirt Super Late Models) | - | - | - | DNS |
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| 8/8/2015 | Sunset Speedway Park - Banks, OR 98.7 THE BULL PRESENTS THE 2ND ANNUAL DRIVERS APPRECIATION NIGHT (MAINS ONLY) DIRTcar Factory Stock, A Modifieds, Restricted 'A' Class, Winged A-Class, B Modifieds, Street Stocks, Dirt Late Models, Dwarf, Hornets | Results | | Ron Brewster (Dirt Late Models) | - | - | - | 3rd |
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| 8/22/2015 | Sunset Speedway Park - Banks, OR DOUG WALTERS CLASSIC Dirt Super Late Models, A Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Ron Brewster (Dirt Late Models) | 5th | - | - | 6th |
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| 8/29/2015 | Cottage Grove Speedway - Cottage Grove, OR HERZ PRECISION PARTS $1000.00 TO WIN EXTREME SPRINTS Sportsman Sprints, Dirt Super Late Models, A Modifieds, Street Stocks, Hornets | Results | | Ron Brewster (Dirt Super Late Models) | - | - | - | 4th |
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| 9/5/2015 | Willamette Speedway - Lebanon, OR LABOR DAY CLASSIC Dirt Super Late Models, Sportsmans, Super Sports, Street Stocks | Results | | Ron Brewster (Dirt Super Late Models) | - | - | - | 15th |
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| 9/12/2015 | Willamette Speedway - Lebanon, OR ARMED SERVICE REMEMBERANCE NIGHT- ALL MILITARY $5.00 ADMISSION Dirt Super Late Models, Sportsmans, Super Sports, Street Stocks | Results | | Ron Brewster (Dirt Super Late Models) | - | - | - | 5th |
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| 9/25/2015 | Central Washington State Fair Raceway - Yakima, WA 360 Sprints - Winged: Western Sprint Tour Dirt Late Models: NW Extreme Late Models | Results | | Ron Brewster (Dirt Late Models) | 4th | - | - | 4th |
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| 9/26/2015 | Central Washington State Fair Raceway - Yakima, WA CHAMPIONSHIP NIGHT 360 Sprints - Winged: Western Sprint Tour Dirt Late Models: NW Extreme Late Models | Results | | Ron Brewster (Dirt Late Models) | 1st | - | - | 6th |
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