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| 6/2/2017 | Hancock County Speedway - Britt, IA Hancock County Snowmobile Assn./Redneck Trailer Supplies/ West Hancock Ambulance Fundraiser Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Jeff Dolphin (Stock Cars) | 5th (DNF) | - | - | 8th |
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| 6/9/2017 | Hancock County Speedway - Britt, IA Farmers Trust & Savings Bank/ KIOW : Weekly Racing Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Jeff Dolphin (Stock Cars) | 1st | - | - | 4th |
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| 6/23/2017 | Hancock County Speedway - Britt, IA Stellar Industries/ Stellar Truck & Trailer: Weekly Racing Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Jeff Dolphin (Stock Cars) | 7th | - | - | 7th |
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| 6/27/2017 | Hancock County Speedway - Britt, IA Mike & Barb Schroeder: Salute to Veterans- Hawkeye Dirt Tour Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Jeff Dolphin (Stock Cars) | 7th | - | 3rd | 16th |
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| 7/7/2017 | Hancock County Speedway - Britt, IA Farm Nutrients/ Legend Seeds: Hobby Stock Showdown w/ Racing For a Cause US Legend Cars Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Pro Legends, Sport Compact | Results | | Jeff Dolphin (Stock Cars) | 1st | - | - | 1st |
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| 7/14/2017 | Hancock County Speedway - Britt, IA Trulson Auto Parts/ Theesfeld Construction: Weekly Racing Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Jeff Dolphin (Stock Cars) | 1st | - | - | 13th (DNF) |
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| 7/28/2017 | Hancock County Speedway - Britt, IA McNeese Tire/ IWireless: Hancock County Fair Stock Car Special Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Jeff Dolphin (Stock Cars) | 2nd | - | - | 19th |
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| 8/10/2017 | Hancock County Speedway - Britt, IA Doug Studer Farms / Landus Cooperative: Night of 1000 Stars Hobby Stocks, Stock Cars, A Modifieds, B Modifieds | Results | | Jeff Dolphin (Stock Cars) | 3rd | - | - | 4th |
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| 8/11/2017 | Hancock County Speedway - Britt, IA DuPont Pioneer/ DuPont Crop Protection: Night of 10,000 Stars Hobby Stocks, Stock Cars, A Modifieds, B Modifieds | Results | | Jeff Dolphin (Stock Cars) | 1st | - | - | 7th |
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| 8/18/2017 | Hancock County Speedway - Britt, IA Brakke Implement/ United Beverage, LLC: Season Championship Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Jeff Dolphin (Stock Cars) | - | - | - | 5th |
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