| Place | Performance | Athlete | Team |
| 1 | 0:49.83 | Q: BRINK - DANDRE | ATHLETICS GAUTENG NORTH |
| 2 | 0:50.71 | Q: VAN HEERDEN - LLEWELLYN | ATHLETICS GAUTENG NORTH |
| 3 | 0:50.87 | Q: MEYER - LEZARIO | BOLAND ATHLETICS |
| 4 | 0:51.07 | q: BLIGNAUT - JEAN PIERRE | ATHLETICS NORTHWEST NORTH |
| 5 | 0:51.12 | q: MCASLIN - DEAN | ATHLETICS CENTRAL NORTHWEST |
| 6 | 0:53.49 | -: NYONI - ONEIL | ATHLETICS GAUTENG NORTH |