400 meter Yth Men E49, Heat:4 of 5 ; Official result
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 8 | 178 | DE GOEDE, ECHARD | 48.53 | AGN | Yth | 49.15 | Q | |
| 2 | 1 | 1231 | COETZEE, WILLEM | 48.55 | S-FS | Yth | 49.65 | ||
| 3 | 5 | 1767 | MAGONGOA, KAGISO | 49.41 | S-LI | Yth | 50.59 | ||
| 4 | 4 | 807 | MASIMINI, THATO | 50.17 | CGA | Yth | 51.45 | ||
| 5 | 3 | 1853 | CORNELIUS, JAN | 50.27 | S-MP | Yth | 52.11 | ||
| 6 | 2 | 920 | VAN WYK, DYLAN | 49.30 | EPA | Yth | 53.34 | ||
| 7 | 6 | 422 | LABUSCHAGNE, IGNIS | 52.39 | ANWN | Yth | 53.69 | ||
| 8 | 7 | 521 | NYHANYAHWE, MGCINI | 52.38 | ATRA | Yth | 54.21 |