SIERRA FERGUSON has 4 recorded races from BOULDER, CO, USA.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026 Disneyland Half Marathon presented by HONDA | Half Marathon | 3:35:11 | 10403 | |
| 2025 Disney Wine & Dine Half Marathon | Half Marathon | 3:34:02 | 10768 | |
| 2025 Disneyland Half Marathon presented by HONDA | Half Marathon | 3:21:34 | 8213 | |
| 2024 Disneyland Half Marathon | Half Marathon | 3:27:24 | 8210 |