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| 5/8/2021 | Muskingum County Speedway - Dresden, OH Opening Night 410 Sprints - Winged, Dirt Super Late Models, DIRTcar UMP Modifieds, Outlaw Hobby Stocks, DIRTcar Sportsman Modifieds, Mod Lites | Results | | Larry Holbrook (DIRTcar Sportsman Modifieds) | 1st | - | - | 1st |
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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 | | Larry Holbrook (DIRTcar Sportsman Modifieds) | - | - | - | 3rd |
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| 7/10/2021 | I-77 Speedway - Ripley, WV Fairplain 25 Dirt Super Late Models, DIRTcar UMP Modifieds, B Modifieds, Dirt Late Models | Results | | Larry Holbrook (B Modifieds) | 1st | - | - | 1st |
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| 7/23/2021 | I-77 Speedway - Ripley, WV Friday Night Shootout B Modifieds, Street Stocks, Dirt Late Models | Results | | Larry Holbrook (B Modifieds) | 1st | - | - | 2nd |
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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 | | Larry Holbrook (DIRTcar Sportsman Modifieds) | 1st | - | - | 1st |
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| 8/7/2021 | Muskingum County Speedway - Dresden, OH Kids Night Dirt Super Late Models, DIRTcar UMP Modifieds, Dirt Mini Trucks, Outlaw Hobby Stocks, DIRTcar Sportsman Modifieds, Mod Lites | Results | | Larry Holbrook (DIRTcar Sportsman Modifieds) | - | - | - | - |
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| 10/2/2021 | Muskingum County Speedway - Dresden, OH Race N Treat Dirt Super Late Models, DIRTcar UMP Modifieds, Dirt Mini Trucks, Outlaw Hobby Stocks, DIRTcar Sportsman Modifieds, Mod Lites | Results | | Larry Holbrook (DIRTcar Sportsman Modifieds) | 2nd | - | - | DNS |
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