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| 4/13/2018 | I-80 Speedway - Greenwood, NE Bugeater Bash 360 Sprints - Winged: Malvern Bank 360 Sprints Stock Cars, A Modifieds, B Modifieds, Dirt Late Models | Results | | Shawn Harker (B Modifieds) | 1st | - | - | 6th |
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| 4/20/2018 | Eagle Raceway - Eagle, NE Ice Breaker 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds | Results | | Shawn Harker (B Modifieds) | 1st | - | - | 2nd |
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| 4/21/2018 | Eagle Raceway - Eagle, NE Ice Breaker 305 Sprints - Winged: IMCA RaceSaver Sprints 360 Sprints - Winged, Stock Cars, A Modifieds, B Modifieds | Results | | Shawn Harker (B Modifieds) | 2nd | - | - | 4th |
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| 4/27/2018 | I-80 Speedway - Greenwood, NE Dirt Super Late Models, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Shawn Harker (B Modifieds) | 1st | - | - | 1st |
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| 5/4/2018 | I-80 Speedway - Greenwood, NE Bobby Parker Memorial 360 Sprints - Winged: Nebraska 360 sprints Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Shawn Harker (B Modifieds) | 4th | - | - | 3rd |
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| 5/11/2018 | I-80 Speedway - Greenwood, NE Dirt Super Late Models, Hobby Stocks, Stock Cars, B Modifieds, Dirt Late Models, Sport Compact | Results | | Shawn Harker (B Modifieds) | 1st | - | - | 2nd |
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| 5/18/2018 | I-80 Speedway - Greenwood, NE Dirt Super Late Models, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Shawn Harker (B Modifieds) | 1st | - | - | 1st |
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| 5/27/2018 | I-80 Speedway - Greenwood, NE Charlie Clark Memorial Hobby Stocks, Stock Cars, A Modifieds, B Modifieds | Results | | Shawn Harker (B Modifieds) | 2nd | - | - | 9th |
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| 6/1/2018 | I-80 Speedway - Greenwood, NE Dirt Super Late Models, Hobby Stocks, Stock Cars, B Modifieds, Dirt Late Models, Sport Compact | Results | | Shawn Harker (B Modifieds) | 1st | - | - | 1st |
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| 6/15/2018 | I-80 Speedway - Greenwood, NE Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Shawn Harker (B Modifieds) | 2nd | - | - | 2nd |
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| 6/29/2018 | I-80 Speedway - Greenwood, NE Dirt Super Late Models, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Shawn Harker (B Modifieds) | 1st | - | - | 5th |
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| 7/6/2018 | I-80 Speedway - Greenwood, NE Dirt Super Late Models, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Shawn Harker (B Modifieds) | 1st | - | - | 4th |
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| 7/27/2018 | I-80 Speedway - Greenwood, NE 360 Sprints - Winged: Nebraska 360 sprints Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Shawn Harker (B Modifieds) | 1st | - | - | 2nd |
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| 8/3/2018 | I-80 Speedway - Greenwood, NE Dirt Super Late Models, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Shawn Harker (B Modifieds) | 1st | - | - | 6th |
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| 8/17/2018 | I-80 Speedway - Greenwood, NE Dirt Super Late Models, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Shawn Harker (B Modifieds) | 1st | - | - | 5th |
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| 8/24/2018 | I-80 Speedway - Greenwood, NE Bill Smith Memorial 360 Sprints - Winged: Nebraska 360 sprints Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Shawn Harker (B Modifieds) | 1st | - | - | 2nd |
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| 9/3/2018 | Boone Speedway - Boone, IA 2018 IMCA Super Nationals IMCA Late Models: Deery Brothers Summer Series Hobby Stocks, B Modifieds | Results | | Shawn Harker (B Modifieds) | 2nd | - | 14th | - |
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| 9/4/2018 | Boone Speedway - Boone, IA 2018 IMCA Super Nationals Hobby Stocks, B Modifieds, Vintage Modifieds, Generic 1, Sport Compact | Results | | Shawn Harker (Vintage Modifieds) | DNS | - | - | - |
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| 10/19/2018 | I-80 Speedway - Greenwood, NE Cornhusker Classic Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Shawn Harker (B Modifieds) | 1st | - | - | - |
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| 10/20/2018 | I-80 Speedway - Greenwood, NE Cornhusker Classic Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Shawn Harker (B Modifieds) | - | - | - | 3rd |
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| 11/7/2018 | Dirt Track at Las Vegas - Las Vegas, NV Duel In The Desert A Modifieds: Duel in the Desert B Modifieds | Results | | Shawn Harker (B Modifieds) | - | - | - | - |
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| 11/8/2018 | Dirt Track at Las Vegas - Las Vegas, NV A Modifieds: Duel in the Desert B Modifieds | Results | | Shawn Harker (B Modifieds) | 2nd | - | - | 27th |
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| 11/9/2018 | Dirt Track at Las Vegas - Las Vegas, NV A Modifieds: Duel in the Desert B Modifieds | Results | | Shawn Harker (B Modifieds) | 2nd | - | - | 6th |
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| 11/10/2018 | Dirt Track at Las Vegas - Las Vegas, NV A Modifieds: Duel in the Desert B Modifieds | Results | | Shawn Harker (B Modifieds) | - | - | - | - |
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