400 meter Yth Men, Heat:1 of 2 ; Official result
| Rank | Lane | ID | Name | SB | Team | Cat | Result | Info |
| 1 | 4 | 133 | NKUNKUNMANA, Abongile | BELL | Yth | 50.58 | ||
| 2 | 5 | 322 | WILLIAMS, Zaid | STRA | Yth | 51.18 | ||
| 3 | 3 | 21 | RICKERT, Tariq | MOND | Yth | 51.60 | ||
| 4 | 8 | 274 | PARRISH, Sherman | SPAC | Yth | 51.80 | ||
| 5 | 6 | 58 | VAN ZYL, Frederick | WTEM | Yth | 52.65 | ||
| 6 | 7 | 134 | HENDRICKS, Jorick | BELL | Yth | 54.20 | ||
| 7 | 1 | 273 | JOSHUA, Nurdeen | SPAC | Yth | 55.00 | ||
| 8 | 2 | 59 | STOFBERG, Anrich | HSST | Yth | 56.40 |