Welfredo Jr Piano has 3 recorded races from Alabang Muntinlupa, Muntinlupa, PH.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2024-11-24 | 2024 Rock 'n' Roll Manila Marathon | Marathon | 3:15:27 | 9 |
| 2023-11-26 | 2023 Rock 'n' Roll Manila Marathon | Marathon | 3:17:28 | 9 |
| 2022-06-19 | 2022 Rock 'n' Roll Manila Marathon | Marathon | 3:15:06 | 3 |