Neil McMahon has 12 recorded races from La Grange Park, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-08-23 | 2025 Chicago Triathlon Olympic | Ultra Marathon | 3:16:13 | 1575 |
| 2025-08-23 | 2025 Chicago Triathlon Sprint | 2:24:42 | 2078 | |
| 2025-08-23 | 2025 Chicago Triathlon Triple Challenge Results | Ultra Marathon | 6:31:46 | 92 |
| 2025-08-23 | 2025 Chicago Triathlon SuperSprint | 50:51 | 134 | |
| 2025-05-18 | 2025 Life Time Chicago Spring Half & 10K Half Marathon | Half Marathon | 2:37:00 | 4608 |
| 2024-08-24 | 2024 Chicago Triathlon International | Ultra Marathon | 3:25:45 | 1658 |
| 2024-08-24 | 2024 Chicago Triathlon Sprint | 50:29 | 2 | |
| 2024-08-24 | 2024 Chicago Triathlon SuperSprint | 49:33 | 140 | |
| 2024-05-19 | 2024 Life Time Chicago Spring Half & 10K Half Marathon | Half Marathon | 2:23:18 | 3434 |
| 2023-08-27 | 2023 Chicago Triathlon International | Ultra Marathon | 2:39:58 | 1699 |
| 2023-05-21 | Life Time Chicago Spring Half & 10K Half Marathon | Half Marathon | 2:12:29 | 2581 |
| 2022-08-28 | 2022 Chicago Triathlon International - Individual | Ultra Marathon | 3:25:49 | 1686 |