| Event |
|---|
| 50 m BACK STROKE - BOYS - FINAL |
| Rec | Name | NOC | Year | |
|---|---|---|---|---|
| ASG REC | 0 m 27.04 s | JACINTO, JERARD DOMINIC S. | PHI | 2018 |
| Pos | Lane | Name | NOC | Time | Notes |
| 1 | 5 | NARANG PORNSIRIPORN | THA | 26.73 s | CR |
| 2 | 2 | MIKKEL LEE JUN JIE | SGP | 26.81 s | |
| 2 | 4 | JACINTO, JERARD DOMINIC S. | PHI | 26.81 s | |
| 4 | 3 | DWIKI ANUGRAH | INA | 27.14 s | |
| 5 | 8 | KHIEW HOE YEAN | MAS | 27.30 s | |
| 6 | 6 | ERNEST CHING YEW EE | SGP | 27.47 s | |
| 7 | 7 | PREEDIYATHON OBCHEOY | THA | 27.52 s | |
| 8 | 1 | AA GEDE OKA SATRIA P | INA | 27.73 s |