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| 4/2/2021 | Lake Ozark Speedway - Eldon, MO 360 Sprints - Winged: ASCS Sooner Region with ASCS Warrior Region Non-Winged Sprints: POWRi WAR Sprints | Results | | Nathan Mills (360 Sprints - Winged) | 8th | - | 7th | - |
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| 4/3/2021 | Lake Ozark Speedway - Eldon, MO LOS Spring Nationals 360 Sprints - Winged: ASCS Sooner Region with ASCS Warrior Region Non-Winged Sprints: POWRi WAR Sprints Midgets, Dirt Super Late Models | Results | | Nathan Mills (360 Sprints - Winged) | 7th | - | 10th | - |
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| 4/17/2021 | Knoxville Raceway - Knoxville, IA Pella Motors/Kraig Ford Season Opener 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Nathan Mills (360 Sprints - Winged) | 5th | - | - | 10th |
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| 4/24/2021 | Knoxville Raceway - Knoxville, IA 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Nathan Mills (360 Sprints - Winged) | 5th | - | - | 20th |
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| 5/1/2021 | Knoxville Raceway - Knoxville, IA Jersey Freeze/Dennison Racing Tee's Night 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Nathan Mills (360 Sprints - Winged) | 5th | - | - | 3rd |
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| 5/22/2021 | Knoxville Raceway - Knoxville, IA Vermeer Night 360 Sprints - Winged: Nebraska 360 sprints 410 Sprints - Winged, 305 Sprints - Winged | Results | | Nathan Mills (360 Sprints - Winged) | 5th | - | - | 4th |
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| 5/29/2021 | Knoxville Raceway - Knoxville, IA Knoxville Hospital and Clinics/Slideways Night 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Nathan Mills (360 Sprints - Winged) | 6th | - | - | 5th |
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| 6/5/2021 | Knoxville Raceway - Knoxville, IA McKay Group Night 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Nathan Mills (360 Sprints - Winged) | 2nd | - | - | 15th |
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| 6/12/2021 | Knoxville Raceway - Knoxville, IA 410 Sprints - Winged: World of Outlaws 360 Sprints - Winged | Results | | Nathan Mills (360 Sprints - Winged) | 8th | - | - | 11th |
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| 6/18/2021 | Knoxville Raceway - Knoxville, IA 360 Sprints - Winged, 305 Sprints - Winged | Results | | Nathan Mills (360 Sprints - Winged) | 9th | - | 3rd | 15th |
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| 7/3/2021 | Knoxville Raceway - Knoxville, IA 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Nathan Mills (360 Sprints - Winged) | DNS | - | - | 14th |
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| 7/17/2021 | Knoxville Raceway - Knoxville, IA Van Wall Equipment Night 360 Sprints - Winged: Midwest Power Series 410 Sprints - Winged, 305 Sprints - Winged | Results | | Nathan Mills (360 Sprints - Winged) | 6th | - | - | 15th |
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| 7/24/2021 | Knoxville Raceway - Knoxville, IA 3M Race Night 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Nathan Mills (360 Sprints - Winged) | 5th | - | - | 11th |
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| 8/5/2021 | Knoxville Raceway - Knoxville, IA 31st Annual ASCS 360 Knoxville Nationals 360 Sprints - Winged: ASCS National 410 Sprints - Winged, Winged Sprints | Results | | Nathan Mills (360 Sprints - Winged) | 5th | - | 6th | - |
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| 8/7/2021 | Knoxville Raceway - Knoxville, IA 31st Annual ASCS 360 Knoxville Nationals 360 Sprints - Winged: ASCS National 410 Sprints - Winged, Winged Sprints | Results | | Nathan Mills (360 Sprints - Winged) | - | - | - | - |
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