| Stage | Athlete | Time | Venue | Remarks | Results |
|---|---|---|---|---|---|
| Day 9: 05 Jul 2009 (Sun) | |||||
| Heats | 09:30 | Singapore Sports School | Both swimmers qualified for semi-finals | Nicholas Ho - 55.16s (5th) Clement Lim - 53.47 (2nd) | |
| Day 9: 05 Jul 2009 (Sun) | |||||
| Semi Finals | 18:30 | Singapore Sports School | Clement Lim qualified for finals | Ho Wei Ming, 11th (54.29s Clement Lim, 4th (52.84s) | |
| Day 10: 06 Jul 2009 (Mon) | |||||
| Finals | 18:30 | Singapore Sports School | 5th (52.47s) | ||