Karl Kniffin has 5 recorded races from Kill Devil Hl, North Carolina, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-03-01 | Newport News One City Marathon Half Marathon | 1:47:34 | 143 | |
| 2024-04-20 | 2024 Flying Pirate Half Marathon | Half Marathon | 2:02:31 | 114 |
| 2023-04-22 | Flying Pirate Half Marathon and First Flight 5K | 1:55:55 | 101 | |
| 2022-11-12 | Outer Banks Marathon Weekend Half Marathon | 1:49:20 | 31 | |
| 2022-03-19 | 2022 Yuengling Shamrock Marathon Weekend | Marathon | 3:50:00 | 425 |