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| 3/20/2021 | Lawton Speedway - Lawton, OK Seson Opener Non-Winged Sprints, Pony Stock, USRA Limited Mods, USRA Modifieds, USRA Tuners, IMCA RaceSaver Sprint Car | Results | | Nathan Reinke (Pony Stock) | 7th | - | - | 14th |
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| 3/27/2021 | Lawton Speedway - Lawton, OK Champ 360 Sprints - Winged: Oil Capital Racing Series Non-Winged Sprints, Pony Stock, USRA Limited Mods, USRA Tuners | Results | | Nathan Reinke (Pony Stock) | 6th | - | - | 10th |
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| 5/8/2021 | Lawton Speedway - Lawton, OK Non-Winged Sprints, Pony Stock, USRA Limited Mods, USRA Modifieds, IMCA RaceSaver Sprint Car | Results | | Nathan Reinke (Pony Stock) | 6th | - | - | 11th |
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| 5/29/2021 | Lawton Speedway - Lawton, OK Comanche County Night Non-Winged Sprints, Pony Stock, USRA Limited Mods, USRA Tuners, IMCA RaceSaver Sprint Car | Results | | Nathan Reinke (Pony Stock) | 7th | - | - | 13th |
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| 6/19/2021 | Lawton Speedway - Lawton, OK Non-Winged Sprints, Pony Stock, USRA Limited Mods, USRA Modifieds, IMCA RaceSaver Sprint Car | Results | | Nathan Reinke (Pony Stock) | 4th | - | - | 12th |
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| 7/24/2021 | Lawton Speedway - Lawton, OK USRA American Racer Modifed Series USRA Modifieds: USRA American Racer Modified Series A Modifieds, Pony Stock, USRA Limited Mods, USRA Tuners | Results | | Nathan Reinke (Pony Stock) | 6th | - | - | 15th (DNF) |
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