Diane Southworth has 4 recorded races from Hughesville, -, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-03-21 | 2026 Yuengling Shamrock Marathon Weekend 8K | 1:20:25 | 5770 | |
| 2025-03-15 | 2025 Yuengling Shamrock Marathon Weekend 8K | 1:21:11 | 5462 | |
| 2024-03-16 | 2024 Yuengling Shamrock Marathon Weekend 8K | 1:19:57 | 5272 | |
| 2023-03-17 | 2023 Yuengling Shamrock Marathon Weekend Townebank 8K | 1:24:16 | 5027 |