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| 5/16/2015 | Merritt Speedway - Merritt, MI Crank it Up Opening Night - $6 TICKETS DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, Sportsmans, Lightning Sprints, Dirt Pro Trucks | Results | | David Harrington (Factory Stocks) | 9th | - | - | 10th |
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| 5/23/2015 | Merritt Speedway - Merritt, MI Armed Forces Memorial Weekend DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, Sportsmans, Dirt Pro Trucks | Results | | David Harrington (Factory Stocks) | 5th | - | - | 10th |
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| 6/6/2015 | Merritt Speedway - Merritt, MI Summer Showdown Prelude - Presented by Lane Automotive DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Sportsmans, Lightning Sprints, Dirt Pro Trucks | Results | | David Harrington (Factory Stocks) | 9th | - | - | DNS |
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| 6/20/2015 | Merritt Speedway - Merritt, MI Engine Pro Sprints on Dirt plus MORA Mini Outlaw Sprints 360 Sprints - Winged: SOD-Sprints On Dirt (360s) Factory Stocks, Stock Cars, Sportsmans, Lightning Sprints, Dirt Pro Trucks | Results | | David Harrington (Factory Stocks) | 8th | - | - | 7th |
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| 6/27/2015 | Merritt Speedway - Merritt, MI Factory Stock / 4-Cylinder Night DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, Sportsmans, Lightning Sprints | Results | | David Harrington (Factory Stocks) | 3rd | - | - | 8th |
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| 7/4/2015 | Merritt Speedway - Merritt, MI $5.00 NIGHT & Fireworks Presented by Riverside Racing DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, Sportsmans, Lightning Sprints, Dirt Pro Trucks | Results | | David Harrington (Factory Stocks) | 9th | - | - | 10th |
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| 7/11/2015 | Merritt Speedway - Merritt, MI 410 Sprints - Non-Winged: Great Lakes Traditional Sprints with Ontario Topless Sprint Cars-OTS DIRTcar Late Models, Factory Stocks, Sportsmans, Dirt Pro Trucks | Results | | David Harrington (Factory Stocks) | 9th | - | - | - |
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| 7/24/2015 | Merritt Speedway - Merritt, MI 27 Annual Ed VanDuinen Wood Tic Weekend presented by Keyser Manufacturing DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, Sportsmans, Lightning Sprints, Dirt Pro Trucks | Results | | David Harrington (Factory Stocks) | 6th | - | - | 13th |
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| 8/1/2015 | Merritt Speedway - Merritt, MI Borg Warner Kids Night presented by Hardcore Performance DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, Sportsmans, Dirt Pro Trucks | Results | | David Harrington (Factory Stocks) | 7th | - | - | 7th |
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| 8/8/2015 | Merritt Speedway - Merritt, MI Lightning Sprint Showdown presented by Boyne Machine DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, Sportsmans, Lightning Sprints, Dirt Pro Trucks | Results | | David Harrington (Factory Stocks) | 6th | - | - | 7th |
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| 8/15/2015 | Merritt Speedway - Merritt, MI Jim Brannam Memorial PS & PT Special, plus the Sunoco American Late Model Series DIRTcar Late Models, Factory Stocks, Stock Cars, Sportsmans, Lightning Sprints, Dirt Pro Trucks | Results | | David Harrington (Factory Stocks) | 4th | - | - | 13th |
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| 8/21/2015 | Cherry Raceway - Fife Lake, MI 2nd Annual Ron Doberstein Memorial Warrior Invitational (Warriors $250 to Win) DIRTcar Late Models, DIRTcar UMP Modifieds, Stock Cars, Street Stocks, Hornets, Lightning Sprints | Results | | David Harrington (Stock Cars) | 7th | - | - | 9th |
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| 9/5/2015 | Merritt Speedway - Merritt, MI Gene Kregear Engine Pro Championship Weekend DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, Sportsmans, Lightning Sprints, Dirt Pro Trucks | Results | | David Harrington (Factory Stocks) | 8th | - | - | 16th |
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| 9/6/2015 | Merritt Speedway - Merritt, MI Gene Kregear Engine Pro Championship Weekend - Fireworks & Party DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, Sportsmans, Lightning Sprints, Dirt Pro Trucks | Results | | David Harrington (Factory Stocks) | - | - | 8th | - |
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