Shannon Nicholson has 3 recorded races from Manhattan Beach, CA, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-02-23 | 2025 Rock 'n' Roll Las Vegas Half Marathon | Half Marathon | 2:01:20 | 2188 |
| 2025-02-23 | 2025 Rock 'n' Roll Las Vegas Half Marathon | Half Marathon | 2:00:01 | 2039 |
| 2023-06-04 | 2023 Rock 'n' Roll San Diego Half Marathon | Half Marathon | 2:42:17 | 10410 |