| Place | Performance | Athlete | Team |
| 1 | 0:45.92 | Q: PORA - THAPELO | TUKS |
| 2 | 0:46.64 | Q: BARNES - ANDREW | TUKS |
| 3 | 0:47.39 | Q: HLUNGWANI - ASHLEY | TUKS |
| 4 | 0:48.77 | q: BRONS - JUSTIN | TUKS |
| 5 | 0:49.32 | -: MDLULI - THABISO | TUT |
| 6 | 0:50.06 | -: VAN WYK - MERLIN | TUKS |
| 7 | 0:50.49 | -: VAN TONDER - JAN (13510) | CBG |