400 meter u23 Men ; Official result
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 4 | 9765 | RODWELL NDLOVU | UWC | u23 | 49.00 | |||
| 2 | 7 | 20 | LINDSAY HANEKOM | BAK | u23 | 49.49 | |||
| 3 | 2 | 9551 | JUSTIN HAYMAN | BAK | u23 | 50.99 | |||
| 1 | 905 | OSCAR WILLIAMS | ITHE | u23 | DNS | ||||
| 3 | 6213 | NOLAN STEELE | UCT | u23 | DNS | ||||
| 5 | 6045 | BRONIQUE KAROLUS | UWC | u23 | DNS | ||||
| 6 | 1084 | MERVIN MONAILA | BAK | u23 | DNF | ||||
| 8 | 7859 | SIYAMTHANDA MADOTYENI | CPUT | u23 | DNS |