William Hennessy has 4 recorded races from Atlanta, Georgia, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-03-01 | Publix Atlanta Marathon, Half Marathon & 5K | 1:29:34 | 211 | |
| 2025-07-04 | Atlanta Journal-Constitution Peachtree Road Race 10K Run | 36:01 | 157 | |
| 2025-03-01 | Publix Atlanta Marathon Weekend 1st Half Marathon | 1:34:50 | 316 | |
| 2023-07-04 | Atlanta Journal-Constitution Peachtree Road Race AJC Peachtree Road Race 10K | 10K | 41:22 | 621 |