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| 5/22/2015 | Rapid Speedway - Rock Rapids, IA Regular Classes + LMSS DIRTcar Late Models, DIRTcar Sportsmans, Hobby Stocks, Stock Cars, Winged Outlaw, Stock Non-Wing, B Modifieds | Results | | Matt Lange (Hobby Stocks) | 3rd | - | - | 19th (DNF) |
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| 6/5/2015 | Rapid Speedway - Rock Rapids, IA Regular Classes + USRA Ironman Stock Car & B-Mod DIRTcar Sportsmans, Hobby Stocks, Stock Cars, Winged Outlaw, Winged A-Class, B Modifieds | Results | | Matt Lange (Hobby Stocks) | 7th (DNF) | - | DNS | - | | Matt Lange (Stock Cars) | 8th | - | - | 18th (DNF) |
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| 6/19/2015 | Rapid Speedway - Rock Rapids, IA Regular Classes + OneMain Financial WISSOTA Late Model Challenge Series DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds, Dirt Late Models | Results | | Matt Lange (Hobby Stocks) | 4th | - | - | 12th (DNF) | | Matt Lange (Stock Cars) | 4th | - | - | 5th |
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| 6/26/2015 | Rapid Speedway - Rock Rapids, IA Regular Classes + MSTS 360 Sprints (Mid-Season Championship) 360 Sprints - Winged: Minnesota Mafia DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds | Results | | Matt Lange (Hobby Stocks) | 1st | - | - | DNS | | Matt Lange (Stock Cars) | 6th (DNF) | - | - | 10th |
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| 7/10/2015 | Rapid Speedway - Rock Rapids, IA Regular Classes + Sportsmans Special DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds | Results | | Matt Lange (Hobby Stocks) | 1st | - | - | 13th (DNF) | | Matt Lange (Stock Cars) | 5th | - | - | 11th (DNF) |
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| 7/17/2015 | Rapid Speedway - Rock Rapids, IA Regular Classes + Hobby Stock Special DIRTcar Sportsmans, Hobby Stocks, Stock Cars, Stock Non-Wing, B Modifieds, Generic 1 | Results | | Matt Lange (Hobby Stocks) | 4th | - | - | 16th (DNF) | | Matt Lange (Stock Cars) | 1st | - | - | 8th |
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| 7/24/2015 | Rapid Speedway - Rock Rapids, IA Regular Classes + LMSS DIRTcar Late Models, DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds | Results | | Matt Lange (Hobby Stocks) | 4th | - | - | 10th |
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| 7/31/2015 | Rapid Speedway - Rock Rapids, IA Regular Classes + SLMR Dirt Super Late Models: SLMR Late Model Series DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds | Results | | Matt Lange (Hobby Stocks) | 2nd | - | - | 17th (DNF) | | Matt Lange (Stock Cars) | 3rd | - | - | 5th |
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| 8/7/2015 | Rapid Speedway - Rock Rapids, IA Regular Classes + B-Mod Special DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds | Results | | Matt Lange (Hobby Stocks) | 3rd | - | - | DNS | | Matt Lange (Stock Cars) | 4th | - | - | 2nd |
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| 8/14/2015 | Rapid Speedway - Rock Rapids, IA Regular Classes + Stock Car Shoot Out DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds | Results | | Matt Lange (Hobby Stocks) | 1st | - | - | 1st | | Matt Lange (Stock Cars) | 7th (DNF) | - | - | DNS |
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| 8/21/2015 | Rapid Speedway - Rock Rapids, IA Regular Classes DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds | Results | | Matt Lange (Hobby Stocks) | 1st | - | - | 6th | | Matt Lange (Stock Cars) | 2nd | - | - | 9th |
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| 9/11/2015 | Rapid Speedway - Rock Rapids, IA Craig Vinson Memorial Rapid Speedway Nationals 360 Sprints - Winged, Hobby Stocks, Stock Cars, Winged A-Class, B Modifieds, Generic 1 | Results | | Matt Lange (Hobby Stocks) | 4th | - | - | 8th |
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