| Place | Performance | Athlete | Team |
| 1 | 0:47.51 | Q: SCHOEMAN - ABELINES | BOLAND ATHLETICS |
| 2 | 0:47.62 | Q: VAN ZYL - ROUX | CENTRAL GAUTENG ATHLETICS |
| 3 | 0:48.26 | -: DU PLESSIS - LIAM | CENTRAL GAUTENG ATHLETICS |
| 4 | 0:49.34 | -: NEL - FRANCOIS | BOLAND ATHLETICS |
| 5 | 0:49.39 | -: VAN DER WALT - MARCUS | ATHLETICS GAUTENG NORTH |
| 6 | 0:49.83 | -: SIBEKO - NHLAKANIPHO | CENTRAL GAUTENG ATHLETICS |
| 7 | 0:51.61 | -: JANSEN - LEHAGEN MAXIMUS | ATHLETICS GRIQUALAND WEST |
| 8 | -: VEITCH - IMMANUEL | ATHLETICS CENTRAL NORTHWEST |