| Place | Performance | Athlete | Team |
| 1 | 0:47.07 | Q: SWART - ADRIAN | BOLAND ATHLETICS |
| 2 | 0:47.15 | Q: ISAACS - GARDEO | WESTERN PROVINCE ATHLETICS |
| 3 | 0:47.26 | Q: NZWANZWA - ANELE | ATHLETICS GAUTENG NORTH |
| 4 | 0:48.34 | -: GELDENHUYS - IVAN DANNY | ATHLETICS GAUTENG NORTH |
| 5 | 0:49.11 | -: VAN ZYL - ROUX | CENTRAL GAUTENG ATHLETICS |
| 6 | 0:49.59 | -: MOKHABELA - KAMOHELO | ATHLETICS FREE STATE |
| 7 | 0:49.66 | -: GROBBELAAR - HEINRICH | ATHLETICS FREE STATE |