400 meter u23 Men E152, Heat:4 of 4 ; Official result
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 4 | 110 | JONDA, THOMAS | 50.70 | AFS | u23 | 48.19 | Q | |
| 2 | 6 | 633 | GROEVELD, LUMARDT | 48.08 | BOLA | u23 | 48.30 | q | |
| 3 | 3 | 112 | KOCK, LOUWRENS | 48.57 | AFS | u23 | 48.60 | q | |
| 4 | 2 | 116 | MEYER, WERNER | 49.30 | AFS | u23 | 48.97 | ||
| 5 | 5 | 957 | KEKANA, THABISO | 49.32 | KZNA | u23 | 49.36 | ||
| 1 | 932 | MAJERMAN, LONWABO | 51.29 | EPA | u23 | DIS |