Alvin Ng has 2 recorded races from Cupang, Muntinlupa City, 4th district, Metro Manila, PH.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2023-11-26 | 2023 Rock 'n' Roll Manila Marathon | Marathon | 4:46:14 | 306 |
| 2023-11-26 | 2023 Rock 'n' Roll Manila Half Marathon | Half Marathon | 2:53:19 | 1615 |