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| 3/26/2021 | Bridgeport Motorsports Park - Bridgeport, NJ 305 Sprints - Winged: Mid Atlantic Sprint Car Series | Results | | Mark Bitner (305 Sprints - Winged) | - | - | - | - |
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| 3/27/2021 | Bridgeport Motorsports Park - Bridgeport, NJ 360 Sprints - Winged: United Racing Club | Results | | Mark Bitner (360 Sprints - Winged) | - | - | - | - |
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| 4/6/2021 | Bridgeport Motorsports Park - Bridgeport, NJ 410 show 410 Sprints - Winged | Results | | Mark Bitner (410 Sprints - Winged) | 8th | - | 6th | 17th |
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| 4/24/2021 | New Egypt Speedway - New Egypt, NJ 305 regular show 305 Sprints - Winged: Mid Atlantic Sprint Car Series | Results | | Mark Bitner (305 Sprints - Winged) | - | - | - | - |
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| 5/1/2021 | Bridgeport Motorsports Park - Bridgeport, NJ 305 regular show 305 Sprints - Winged: Mid Atlantic Sprint Car Series | Results | | Mark Bitner (305 Sprints - Winged) | - | - | - | - |
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| 5/8/2021 | Delaware International Speedway - Delmar, DE USAC east coast 360 Sprints - Non-Winged: USAC East Coast Sprint Cars | Canceled |
| 5/15/2021 | New Egypt Speedway - New Egypt, NJ 305 regular show 305 Sprints - Winged: Mid Atlantic Sprint Car Series | Results | | Mark Bitner (305 Sprints - Winged) | - | - | - | - |
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| 5/18/2021 | Bridgeport Motorsports Park - Bridgeport, NJ World of outlaws 410 Sprints - Winged: World of Outlaws | Results | | Mark Bitner (410 Sprints - Winged) | 8th | - | 8th | - |
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| 5/22/2021 | Lincoln Speedway - Abbottstown, PA 410 show 358 Sprints - Winged, 410 Sprints - Winged | Results | | Mark Bitner (410 Sprints - Winged) | - | - | - | - |
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| 5/29/2021 | Bloomsburg Fairgrounds - Bloomsburg, PA usac east coast 360 Sprints - Non-Winged: USAC East Coast Sprint Cars | Canceled |
| 6/5/2021 | Bridgeport Motorsports Park - Bridgeport, NJ 305 regular show 305 Sprints - Winged: Mid Atlantic Sprint Car Series | Results | | Mark Bitner (305 Sprints - Winged) | - | - | - | - |
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| 6/12/2021 | Lincoln Speedway - Abbottstown, PA 410 show 358 Sprints - Winged, 410 Sprints - Winged | Results | | Mark Bitner (410 Sprints - Winged) | - | - | - | - |
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| 6/16/2021 | Bridgeport Motorsports Park - Bridgeport, NJ USAC national 410 Sprints - Non-Winged: USAC National Sprint Cars 360 Sprints - Non-Winged | Results | | Mark Bitner (410 Sprints - Non-Winged) | 5th | - | - | 20th |
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| 6/19/2021 | Lincoln Speedway - Abbottstown, PA 410 show 410 Sprints - Winged | Results | | Mark Bitner (410 Sprints - Winged) | - | - | - | - |
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| 6/26/2021 | New Egypt Speedway - New Egypt, NJ 305 regular show 305 Sprints - Winged: Mid Atlantic Sprint Car Series | Results | | Mark Bitner (305 Sprints - Winged) | - | - | - | - |
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| 7/3/2021 | New Egypt Speedway - New Egypt, NJ 360 wingless 360 Sprints - Non-Winged: USAC East Coast Sprint Cars | Canceled |
| 7/17/2021 | Bridgeport Motorsports Park - Bridgeport, NJ 305 Sprints - Winged: Mid Atlantic Sprint Car Series | Results | | Mark Bitner (305 Sprints - Winged) | - | - | - | - |
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| 7/24/2021 | Bridgeport Motorsports Park - Bridgeport, NJ 360 Sprints - Non-Winged: USAC East Coast Sprint Cars | Results | | Mark Bitner (360 Sprints - Non-Winged) | 2nd | - | - | 4th |
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| 7/31/2021 | Bridgeport Motorsports Park - Bridgeport, NJ 305 Sprints - Winged: Mid Atlantic Sprint Car Series | Results | | Mark Bitner (305 Sprints - Winged) | - | - | - | - |
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| 8/7/2021 | Bridgeport Motorsports Park - Bridgeport, NJ 305 Sprints - Winged: Mid Atlantic Sprint Car Series | Results | | Mark Bitner (305 Sprints - Winged) | - | - | - | - |
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| 8/14/2021 | Lincoln Speedway - Abbottstown, PA | Results | | Mark Bitner (410 Sprints - Winged) | - | - | - | - |
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| 8/21/2021 | Port Royal Speedway - Port Royal, PA 360 Sprints - Non-Winged: USAC East Coast Sprint Cars 410 Sprints - Winged | Results | | Mark Bitner (360 Sprints - Non-Winged) | 1st | - | - | 11th |
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| 8/28/2021 | New Egypt Speedway - New Egypt, NJ 305 Sprints - Winged: Mid Atlantic Sprint Car Series | Results | | Mark Bitner (305 Sprints - Winged) | - | - | - | - |
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| 9/4/2021 | Delaware International Speedway - Delmar, DE 360 Sprints - Non-Winged: USAC East Coast Sprint Cars | Results | | Mark Bitner (360 Sprints - Non-Winged) | - | - | - | - |
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| 9/24/2021 | Bridgeport Motorsports Park - Bridgeport, NJ 305 Sprints - Winged: Mid Atlantic Sprint Car Series | Results | | Mark Bitner (305 Sprints - Winged) | - | - | - | - |
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| 9/25/2021 | Bridgeport Motorsports Park - Bridgeport, NJ 360 Sprints - Non-Winged: USAC East Coast Sprint Cars | Results | | Mark Bitner (360 Sprints - Non-Winged) | 4th | - | - | 6th |
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