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| 5/27/2018 | Portsmouth Raceway Park - Portsmouth, OH Veteran's Appreciation Night DIRTcar UMP Modifieds, Dirt Late Models, Economy Late Models, Limited Sport Mod | Results | | Tony DeHart (DIRTcar UMP Modifieds) | 2nd | - | - | 4th |
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| 6/2/2018 | Portsmouth Raceway Park - Portsmouth, OH Complete Racing Program DIRTcar UMP Modifieds, Dirt Late Models, Economy Late Models, Limited Sport Mod | Results | | Tony DeHart (DIRTcar UMP Modifieds) | 1st | - | - | 1st |
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| 6/9/2018 | Portsmouth Raceway Park - Portsmouth, OH Cletus Classic (Mods) & Complete Racing Program DIRTcar UMP Modifieds, Dirt Late Models, Economy Late Models, Limited Sport Mod | Results | | Tony DeHart (DIRTcar UMP Modifieds) | 4th | - | - | 12th |
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| 6/16/2018 | Portsmouth Raceway Park - Portsmouth, OH 7th Annual Boone Coleman Memorial - $5K to win Late Models DIRTcar UMP Modifieds, Dirt Late Models, Economy Late Models, Limited Sport Mod | Results | | Tony DeHart (DIRTcar UMP Modifieds) | 8th | - | - | 8th |
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| 6/30/2018 | Portsmouth Raceway Park - Portsmouth, OH Independence 50 Dirt Super Late Models: Lucas Oil Late Model Dirt Series DIRTcar UMP Modifieds, Economy Late Models | Results | | Tony DeHart (DIRTcar UMP Modifieds) | 3rd | - | - | 4th |
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| 7/14/2018 | Portsmouth Raceway Park - Portsmouth, OH Todd Galloway Memorial (Limited Late Models) / OSCO Employee Night DIRTcar UMP Modifieds, Dirt Late Models, Pro Legends, Economy Late Models, Limited Sport Mod | Results | | Tony DeHart (DIRTcar UMP Modifieds) | 4th | - | - | 6th |
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| 7/28/2018 | Portsmouth Raceway Park - Portsmouth, OH OVSCA Sprints Sprint Cars, DIRTcar UMP Modifieds, Economy Late Models, Limited Sport Mod | Results | | Tony DeHart (DIRTcar UMP Modifieds) | 2nd | - | - | 16th |
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| 8/4/2018 | Portsmouth Raceway Park - Portsmouth, OH Buckeye Dirt Week Dirt Super Late Models: ULTIMATE Mid-Ohio Valley SLMS DIRTcar UMP Modifieds, Dirt Late Models, Economy Late Models, Limited Sport Mod | Results | | Tony DeHart (DIRTcar UMP Modifieds) | 1st | - | - | 2nd |
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| 8/18/2018 | Portsmouth Raceway Park - Portsmouth, OH 24th Annual Fred Dillow Memorial DIRTcar UMP Modifieds, Dirt Late Models, Economy Late Models, Limited Sport Mod | Results | | Tony DeHart (DIRTcar UMP Modifieds) | 8th | - | DNS | - |
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| 8/25/2018 | Portsmouth Raceway Park - Portsmouth, OH Fan Appreciation Night - $5 General Admission DIRTcar UMP Modifieds, Dirt Late Models, Economy Late Models, Limited Sport Mod | Results | | Tony DeHart (DIRTcar UMP Modifieds) | 6th | - | 3rd | 10th |
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| 9/1/2018 | Portsmouth Raceway Park - Portsmouth, OH Bob Miller Memorial Dirt Super Late Models: Lucas Oil Late Model Dirt Series DIRTcar UMP Modifieds, Dirt Late Models, Limited Sport Mod | Results | | Tony DeHart (DIRTcar UMP Modifieds) | 3rd | - | - | 10th |
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| 10/18/2018 | Portsmouth Raceway Park - Portsmouth, OH 38th Annual DIRT TRACK WORLD CHAMPIONSHIP DIRTcar UMP Modifieds | Results | | Tony DeHart (DIRTcar UMP Modifieds) | 1st | - | - | - |
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| 10/20/2018 | Portsmouth Raceway Park - Portsmouth, OH 38th Annual Dirt Track World Championship Dirt Super Late Models: Lucas Oil Late Model Dirt Series DIRTcar UMP Modifieds, Dirt Late Models | Results | | Tony DeHart (DIRTcar UMP Modifieds) | - | - | - | 15th |
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