| | | Heat | Dash | B Feature | A Feature |
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| 2/11/2021 | Bubba Raceway Park - Ocala, FL 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | 8th | - | 6th | 16th |
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| 2/12/2021 | Bubba Raceway Park - Ocala, FL 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | 5th | - | 1st | 21st |
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| 2/13/2021 | Bubba Raceway Park - Ocala, FL 410 Sprints - Non-Winged: USAC National Sprint Cars | Rain Out |
| 3/27/2021 | Brownstown Speedway - Brownstown, IN | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | - | - | - | - |
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| 4/3/2021 | Lawrenceburg Speedway - Lawrenceburg, IN 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | 3rd | - | - | 7th |
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| 4/10/2021 | Tri-State Speedway - Haubstadt, IN 410 Sprints - Winged: World of Outlaws | Results | | Paul Nienhiser (410 Sprints - Winged) | 6th | - | 2nd | 25th (DNF) |
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| 4/17/2021 | Tri-State Speedway - Haubstadt, IN 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | 6th | - | 1st | 15th |
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| 4/22/2021 | Grandview Speedway - Bechtelsville, PA 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | 7th | - | 3rd | 12th |
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| 4/23/2021 | Big Diamond Speedway - Minersville, PA 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | 9th | - | - | - |
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| 4/25/2021 | Path Valley Speedway Park - Spring Run, PA 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | 3rd | - | - | 13th |
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| 4/29/2021 | Jacksonville Speedway - Jacksonville, IL 410 Sprints - Winged: World of Outlaws | Results | | Paul Nienhiser (410 Sprints - Winged) | - | - | - | - |
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| 5/2/2021 | Terre Haute Action Track - Terre Haute, IN | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | - | - | - | - |
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| 5/7/2021 | Eldora Speedway - Rossburg, OH 410 Sprints - Winged: World of Outlaws 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | 2nd | - | - | 14th |
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| 5/8/2021 | Eldora Speedway - Rossburg, OH 410 Sprints - Winged: World of Outlaws 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | 1st | - | - | 5th |
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| 5/14/2021 | Jacksonville Speedway - Jacksonville, IL | Results | | Paul Nienhiser (410 Sprints - Winged) | 7th (DNF) | - | - | 23rd (DNF) |
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| 5/26/2021 | Terre Haute Action Track - Terre Haute, IN 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | 7th | - | 7th | 20th |
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| 6/15/2021 | Grandview Speedway - Bechtelsville, PA 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | 7th | - | 6th | 17th |
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| 6/16/2021 | Bridgeport Motorsports Park - Bridgeport, NJ 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | 8th | - | 1st | 16th |
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| 6/17/2021 | Selinsgrove Speedway - Selinsgrove, PA 410 Sprints - Non-Winged: USAC National Sprint Cars 410 Sprints - Winged | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | 7th | - | - | 18th |
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| 6/19/2021 | Port Royal Speedway - Port Royal, PA 410 Sprints - Non-Winged: USAC National Sprint Cars 410 Sprints - Winged | Rain Out |
| 6/20/2021 | Bloomsburg Fairgrounds - Bloomsburg, PA 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | 4th | - | - | 11th |
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| 7/1/2021 | Plymouth Speedway - Plymouth, IN 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | 4th | - | - | 8th |
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| 7/2/2021 | Lincoln Park Speedway - Putnamville, IN 410 Sprints - Non-Winged: USAC National Sprint Cars with Midwest Sprint Car Series MSCS | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | 5th | - | 1st | 11th |
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| 7/10/2021 | Knoxville Raceway - Knoxville, IA 410 Sprints - Non-Winged: USAC National Sprint Cars 410 Sprints - Winged, Midgets | Rain Out |
| 7/23/2021 | Gas City I-69 Speedway - Gas City, IN 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | - | - | - | - |
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| 7/24/2021 | Kokomo Speedway - Kokomo, IN 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | 9th | - | 9th | - |
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| 7/25/2021 | Lawrenceburg Speedway - Lawrenceburg, IN 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | 6th | - | 12th | 22nd |
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| 7/28/2021 | Terre Haute Action Track - Terre Haute, IN 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | - | - | - | - |
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| 7/29/2021 | Lincoln Park Speedway - Putnamville, IN 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | - | - | - | - |
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| 7/31/2021 | Tri-State Speedway - Haubstadt, IN 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | - | - | - | - |
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| 8/26/2021 | Kokomo Speedway - Kokomo, IN 410 Sprints - Non-Winged: USAC National Sprint Cars | Rain Out |
| 8/27/2021 | Kokomo Speedway - Kokomo, IN 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | - | - | - | - |
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| 8/28/2021 | Kokomo Speedway - Kokomo, IN 410 Sprints - Non-Winged: USAC National Sprint Cars Midgets | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | - | - | - | - |
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| 9/10/2021 | Huset's Speedway - Brandon, SD Midgets: USAC National Midgets 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | - | - | - | - |
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| 9/11/2021 | Huset's Speedway - Brandon, SD Midgets: USAC National Midgets 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | - | - | - | - |
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| 9/12/2021 | Huset's Speedway - Brandon, SD Midgets: USAC National Midgets 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | - | - | - | - |
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| 9/17/2021 | Circle City Raceway - Indianapolis, IN 410 Sprints - Non-Winged: USAC National Sprint Cars Midgets | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | - | - | - | - |
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| 9/18/2021 | Tri-State Speedway - Haubstadt, IN 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | - | - | - | - |
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| 9/23/2021 | Gas City I-69 Speedway - Gas City, IN Midgets: USAC National Midgets 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | - | - | - | - |
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| 9/25/2021 | Eldora Speedway - Rossburg, OH 410 Sprints - Winged: All Star Circuit of Champions Midgets: USAC National Midgets 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | - | - | - | - |
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| 10/1/2021 | Terre Haute Action Track - Terre Haute, IN 410 Sprints - Non-Winged: USAC National Sprint Cars 305 Sprints - Winged | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | - | - | - | - |
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| 10/2/2021 | Lawrenceburg Speedway - Lawrenceburg, IN 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | - | - | - | - |
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| 11/4/2021 | Perris Auto Speedway - Perris, CA 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | - | - | - | - |
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| 11/5/2021 | Perris Auto Speedway - Perris, CA 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | - | - | - | - |
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| 11/6/2021 | Perris Auto Speedway - Perris, CA 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Paul Nienhiser (410 Sprints - Non-Winged) | - | - | - | - |
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