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| 5/30/2021 | Portsmouth Raceway Park - Portsmouth, OH CLETUS CLASSIC - MODIFIEDS $1,231 TO WIN & SALUTE THE TROOPS NIGHT by VALLERY FORD OF WAVERLY DIRTcar UMP Modifieds, Dirt Late Models, Economy Late Models, Limited Sport Mod | Results | | Clark VanHouten (DIRTcar UMP Modifieds) | DNS | - | DNS | - |
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| 7/3/2021 | Muskingum County Speedway - Dresden, OH Freedom 50 Dirt Super Late Models: Lucas Oil Late Model Dirt Series DIRTcar UMP Modifieds, CRUSA Dirt Late Models, Outlaw Hobby Stocks, DIRTcar Sportsman Modifieds | Results | | Clark VanHouten (DIRTcar UMP Modifieds) | DNS | - | - | DNS |
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| 7/24/2021 | Muskingum County Speedway - Dresden, OH Jim Dunn Memorial Dirt Super Late Models: Iron-Man Late Model Series DIRTcar UMP Modifieds, Outlaw Hobby Stocks, DIRTcar Sportsman Modifieds, Mod Lites | Results | | Clark VanHouten (DIRTcar UMP Modifieds) | 6th | - | - | DNS |
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| 10/14/2021 | Portsmouth Raceway Park - Portsmouth, OH 41st ANNUAL DIRT TRACK WORLD CHAMPIONSHIP DIRTcar UMP Modifieds | Results | | Clark VanHouten (DIRTcar UMP Modifieds) | 9th | - | 13th | - |
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| 10/15/2021 | Portsmouth Raceway Park - Portsmouth, OH 41st Annual Dirt Track World Championship Dirt Super Late Models: Lucas Oil Late Model Dirt Series DIRTcar UMP Modifieds, Pro Legends, Economy Late Models, CRUSA Dirt Late Models | Results | | Clark VanHouten (DIRTcar UMP Modifieds) | - | - | - | - |
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| 10/16/2021 | Portsmouth Raceway Park - Portsmouth, OH 41st Annual Dirt Track World Championship Dirt Super Late Models: Lucas Oil Late Model Dirt Series DIRTcar UMP Modifieds, Pro Legends, Economy Late Models, CRUSA Dirt Late Models | Results | | Clark VanHouten (DIRTcar UMP Modifieds) | - | - | - | - |
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