Duncan Lang has 2 recorded races from Makati, Metro Manila, GB.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2024-11-24 | 2024 Rock 'n' Roll Manila Half Marathon | Half Marathon | 1:58:40 | 218 |
| 2024-03-16 | 2024 Rock 'n' Roll Washington DC Half Marathon | Half Marathon | 3:20:44 | 12381 |