| Place | Performance | Athlete | Team |
| 1 | 46.34 | SHABALALA - S | RIEBEECKRAND |
| 2 | 47.71 | ROOD - K | SPRINGS BOYS & GIRLS HIGH |
| 3 | 47.87 | DE OLIVIERA - ETHAN | DR MALAN |
| 4 | 48.66 | DU PLOOY - IVAN | WINDHOEK |
| 5 | 49.98 | IDOWU - SAMUEL | PRETORIA BOYS HIGH |
| 6 | 50.66 | KHOZA - OMPHILE | AKASIA |