400 meter u16 Men, Heat:1 of 3 ; Official result
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 8 | 688 | PIETERSEN, Ashraf | NZ | SYth | 51.66 | Q | ||
| 2 | 7 | 36 | LEENDERTZ, Keenan | BAK | SYth | 51.72 | Q | ||
| 3 | 2 | 284 | YSSEL, G | TBZ | SYth | 56.12 | q | ||
| 4 | 4 | 692 | BARON, K | NZ | SYth | 56.28 | |||
| 5 | 1 | 1137 | MENESE, Thomas | FBZ | SYth | 56.48 | |||
| 6 | 6 | 1101 | NEL, Riyaaz | SZ | SYth | 58.15 | |||
| 7 | 5 | 236 | ARENDSE, L | TBZ | SYth | 58.25 | |||
| 8 | 3 | 1072 | DANIELS, Dean | SZ | SYth | 1:01.05 | |||
| 25 | 1490 | ABRAHAMS, Teagan | BELL | SYth | DNS |