Mitsuru Watanabe has 3 recorded races from Muntinlupa City, National Capital Region, PHL.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-11-29 | 2025 Rock 'n' Roll Manila Marathon | Marathon | 3:21:54 | 6 |
| 2024-11-24 | 2024 Rock 'n' Roll Manila Marathon | Marathon | 3:06:33 | 3 |
| 2023-11-26 | 2023 Rock 'n' Roll Manila Marathon | Marathon | 3:17:29 | 10 |