| Event |
|---|
| 400 m FREE STYLE - BOYS - FINAL |
| Rec | Name | NOC | Year | |
|---|---|---|---|---|
| ASG REC | 3 m 57.16 s | WELSON SIM WEE SHENG | MAS | 2015 |
| Pos | Lane | Name | NOC | Time | Notes |
| 1 | 4 | ATHALARIK MAULIDIO FERNANDO | INA | 4 m 04.77 s | |
| 2 | 3 | AGUS NUARTA | INA | 4 m 07.41 s | |
| 3 | 5 | LUKE TAN YU YANG | SGP | 4 m 08.93 s | |
| 4 | 6 | JOSHUA YEO WEE CHEE | SGP | 4 m 09.05 s | |
| 5 | 2 | TING, KEANE CEDRIC | PHI | 4 m 23.21 s | |
| 6 | 1 | ROWVAN A/L GANESAN | MAS | 4 m 26.90 s | |
| 7 | 7 | GARBANZOS, REGAN JOSPEH E. | PHI | 4 m 28.50 s | |
| 8 | 8 | LEE ZHI XIAN | MAS | 4 m 33.46 s |