| Place | Performance | Athlete | Team |
| 1 | 0:51.58 | Q: BRINK - DANDRE | ATHLETICS GAUTENG NORTH |
| 2 | 0:51.88 | Q: VAN HEERDEN - LLEWELLYN | ATHLETICS GAUTENG NORTH |
| 3 | 0:52.09 | Q: BUTLER - MOHAMMED FUZAYL | CENTRAL GAUTENG ATHLETICS |
| 4 | 0:52.38 | q: MOHAPI - KATLEHO | ATHLETICS FREE STATE |
| 5 | 0:54.15 | -: KELBRICK - DANIEL PIETER | CENTRAL GAUTENG ATHLETICS |
| 6 | 0:55.31 | -: SWANEPOEL - DIVAN | ATHLETICS VAAL TRIANGLE |