Chris Neilson has 11 recorded races from Chicago, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-08-23 | 2025 Chicago Triathlon Olympic | Ultra Marathon | 2:23:25 | 66 |
| 2025-05-18 | 2025 Life Time Chicago Spring Half & 10K | 10K | 43:05 | 26 |
| 2024-09-29 | 2024 Life Time Chicago Half Marathon + 5K | Half Marathon | 1:45:07 | 662 |
| 2024-08-24 | 2024 Chicago Triathlon International | Ultra Marathon | 2:36:25 | 160 |
| 2024-05-19 | 2024 Life Time Chicago Spring Half & 10K Half Marathon | Half Marathon | 1:40:18 | 285 |
| 2023-08-27 | 2023 Chicago Triathlon International | Ultra Marathon | 2:04:32 | 164 |
| 2023-05-21 | Life Time Chicago Spring Half & 10K Half Marathon | Half Marathon | 1:38:34 | 303 |
| 2022-09-25 | HOKA Chicago Half Marathon & 5K 12.6 Mile | 1:39:00 | 786 | |
| 2022-08-28 | 2022 Chicago Triathlon International - Individual | Ultra Marathon | 2:34:18 | 153 |
| 2022-05-22 | Life Time Chicago Spring Half & 10K Half Marathon | Half Marathon | 1:43:38 | 421 |
| TCS London Marathon 2026 | Marathon | 2:55:52 | 2416 |