| Place | Performance | Athlete | Team |
| 1 | 43.24 | LOUW - LEANDER | WINDHOEK |
| 2 | 43.78 | GROBLER - JOHANN | WAGPOS |
| 3 | 44.92 | LOTTER - RUAN | DR MALAN |
| 4 | 46.06 | SIBIYA - NHLANHLA | AKASIA |
| 5 | 46.43 | BROWN - LIAM | PRETORIA BOYS HIGH |
| 6 | 47.66 | SHONGWE - L | SPRINGS BOYS & GIRLS HIGH |
| 7 | 47.73 | PEYPER - J | RIEBEECKRAND |