Diane Wallace-Williams has 5 recorded races from Preston, Maryland, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-06-07 | 2025 Baltimore 10 Miler | 10 Mile | 2:42:29 | 2353 |
| 2025-03-15 | 2025 Yuengling Shamrock Marathon Weekend 8K | 1:40:19 | 6411 | |
| 2024-06-01 | 2024 Baltimore 10 Miler | 10 Mile | 2:42:59 | 2751 |
| 2024-05-04 | 2024 Frederick Running Festival Half Marathon | Half Marathon | 3:17:40 | 2408 |
| 2023-06-03 | Baltimore 10 Miler | 10 Mile | 2:47:17 | 2244 |