| Place | Performance | Athlete | Team |
| 1 | 0:46.24 | Q: ISAACS - GARDEO | BOLAND ATHLETICS |
| 2 | 0:46.34 | Q: DIKGALE - RANTI | ATHLETICS GAUTENG NORTH |
| 3 | 0:46.42 | Q: HLUNGWANI - ASHLEY | ATHLETICS GAUTENG NORTH |
| 4 | 0:46.48 | -: MAVUNDLA - OSCAR | ATHLETICS GAUTENG NORTH |
| 5 | 0:46.50 | -: JOOD - ASHWIN | ATHLETICS GAUTENG NORTH |
| 6 | 0:46.74 | -: KHUZWAYO - UKONA | ATHLETICS GAUTENG NORTH |
| 7 | 0:47.20 | -: JONKER - MARNUS | ATHLETICS CENTRAL NORTHWEST |
| 8 | 0:47.76 | -: VAN DER WALT - TJAART | ATHLETICS FREE STATE |