| Place | Performance | Athlete | Team |
| 1 | 0:48.28 | Q: MAHLANGU - SIHLE | NORTHWEST PROVINCE |
| 2 | 0:48.63 | Q: HARMSE - LEWELLYN | GAUTENG |
| 3 | 0:49.54 | -: NHLAPO - NKOSINATHI | GAUTENG |
| 4 | 0:49.56 | -: ENSLIN - JOHAN | WESTERN CAPE |
| 5 | 0:51.08 | -: DE BRUYN - ETHAN | NORTHERN CAPE |
| 6 | 0:51.46 | -: VISSER - ANDRIES | NORTHWEST PROVINCE |
| 7 | 0:52.28 | -: MIENIES - STUART | NORTHERN CAPE |