David Armstrong has 3 recorded races from Eldersburg, Maryland, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2023-11-11 | Outer Banks Marathon 8K Run | 55:57 | 91 | |
| 2023-03-17 | 2023 Yuengling Shamrock Marathon Weekend Townebank 8K | 1:00:32 | 3093 | |
| 2022-11-12 | Outer Banks Marathon Weekend 8K Run | 48:04 | 69 |