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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 | | Randy Tinker (Lightning Sprints) | - | - | - | 11th |
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| 5/22/2015 | Cherry Raceway - Fife Lake, MI Leo Finkbeiner Memorial Veterans Night (½ off admission with military I.D.) Best Looking Car Night DIRTcar Late Models, DIRTcar UMP Modifieds, Stock Cars, Street Stocks, Hornets, Lightning Sprints | Results | | Randy Tinker (Lightning Sprints) | 7th | - | - | 9th |
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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 | | Randy Tinker (Lightning Sprints) | 5th | - | - | 10th |
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| 6/10/2015 | Merritt Speedway - Merritt, MI 1st Annual Merritt Showdown DIRTcar Late Models: American Ethanol Dirt Racing Group DIRTcar UMP Modifieds: Michigan Dirt Cup Modified Tour Stock Cars, Sportsmans, Lightning Sprints | Results | | Randy Tinker (Lightning Sprints) | - | - | - | 14th |
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| 6/26/2015 | Cherry Raceway - Fife Lake, MI Hoosier Hat Night (1st 100 Paid Adults in the Grandstands will receive a Free Hoosier Tire Hat) DIRTcar Late Models, Stock Cars, Street Stocks, Hornets, Lightning Sprints | Results | | Randy Tinker (Lightning Sprints) | 4th | - | - | 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 | | Randy Tinker (Lightning Sprints) | 6th | - | - | DNS |
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| 7/3/2015 | Cherry Raceway - Fife Lake, MI Mid-Season Championships DIRTcar Late Models, DIRTcar UMP Modifieds, Stock Cars, Street Stocks, Hornets, Lightning Sprints | Results | | Randy Tinker (Lightning Sprints) | 9th | - | - | DNS |
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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 | | Randy Tinker (Lightning Sprints) | 4th | - | - | 14th |
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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 | | Randy Tinker (Lightning Sprints) | 5th | - | - | 11th |
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| 8/14/2015 | Cherry Raceway - Fife Lake, MI Nickel Night & Bike Giveaway DIRTcar Late Models, DIRTcar UMP Modifieds, Stock Cars, Street Stocks, Hornets, Lightning Sprints | Results | | Randy Tinker (Lightning Sprints) | - | - | - | 10th |
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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 | | Randy Tinker (Lightning Sprints) | 4th | - | - | 12th |
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| 8/22/2015 | Merritt Speedway - Merritt, MI 360 Sprints - Winged: SOD-Sprints On Dirt (360s) DIRTcar UMP Modifieds: Michigan Dirt Cup Modified Tour 410 Sprints - Non-Winged: Great Lakes Traditional Sprints with Ontario Topless Sprint Cars-OTS Lightning Sprints | Results | | Randy Tinker (Lightning Sprints) | 5th | - | - | 13th |
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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 | | Randy Tinker (Lightning Sprints) | 4th | - | - | 11th |
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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 | | Randy Tinker (Lightning Sprints) | - | - | - | 11th |
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