| Place | Performance | Athlete | Team |
| 1 | 27.12 | q: BOTHA - MIEKELA | PRETORIA OOS LAERSKOOL |
| 2 | 28.46 | q: VAN DYK - AVA | ANTON VAN WOUW LAERSKOOL |
| 3 | 28.80 | -: LE ROUX - MIN | GARSFONTEIN LAERSKOOL |
| 4 | 30.43 | -: LUDIK - OLIVIA | MONUMENTPARK LAERSKOOL |
| 5 | 30.67 | -: LEWIS - JAIME | PRETORIA CHINESE SKOOL |
| 6 | 31.83 | -: JONES - AMBER | SKUILKRANS LAERSKOOL |