| Place | Performance | Athlete | Team |
| 1 | 44.20 | WILSON - MIA | LA ROCHELLE |
| 2 | 44.88 | LOOTS - ZANE | MENLOPARK GIRLS |
| 3 | 45.87 | JENKINS - CAYLEN | NOORDHEUWEL GIRLS |
| 4 | 45.95 | ENGELBRECHT - LIDA | BLOEMHOF MEISIES |
| 5 | 46.02 | VISSER - CARLI | WESVALIA GIRLS |
| 6 | 46.18 | DAVEL - MIENKE | AFFIES MEISIES |
| 7 | 46.43 | ZANDBERG - ISABELLA | PAARL GIRLS HIGH |
| 8 | 46.44 | ROTHMAN - SYDNEY | PAARL GIRLS HIGH |
| 9 | 46.51 | RAATH - CESSANDRA | HELPMEKAAR GIRLS |
| 10 | 47.24 | LOURENS - SIMON | NELSPRUIT GIRLS |
| 11 | 47.30 | VAN DER MERWE - SIMONE | BLOEMHOF MEISIES |
| 12 | 47.37 | DE WINNAAR - JONE | PAARL GIM GIRLS |
| 13 | 47.39 | JOUBERT - EMMA | POTCHEFSTROOM GIMNASIUM GIRLS |
| 14 | 47.50 | VAN DER WALT - MIGHAN | MIDSTREAM COLLEGE GIRLS |
| 15 | 47.65 | VAN JAARSVELD - SHANIQUE | GARSFONTEIN GIRLS |
| 16 | 47.75 | BASSON - KYLIE | LA ROCHELLE |
| 17 | 47.94 | BUTZER - MADISON-LEE | FOURWAYS HIGH GIRLS |
| 18 | 48.03 | LEPPAN - CHANTE | ZWARTKOP GIRLS |
| 19 | 48.22 | VAN DER WALT - CRISTI | MIDSTREAM COLLEGE GIRLS |
| 20 | 48.30 | OOSTHUIZEN - MIA | MARAIS VILJOEN GIRLS |
| 21 | 48.50 | NEL - ISABELLA | PAARL GIM GIRLS |
| 22 | 48.58 | BELLINGAN - ALLISON | HELPMEKAAR GIRLS |
| 23 | 48.61 | VAN DER WALT - MIEKE | HTS MIDDELBURG GIRLS |
| 24 | 48.76 | VERMEULEN - CHIARA | KLERKSDORP GIRLS |
| 24 | 48.76 | ESTERHUIZEN - JAN | POTCHEFSTROOM GIMNASIUM GIRLS |
| 26 | 48.83 | BOTHA - ZELNE | KEMPTON PARK DOGTERS |
| 27 | 49.40 | SCHOLTZ - MINETTE | GARSFONTEIN GIRLS |
| 28 | 49.42 | VORSTER - NICOLETTE | RANDBURG GIRLS |
| 29 | 50.46 | SWART - RIEMKE | HTS MIDDELBURG GIRLS |
| 30 | 51.92 | BESTER - MIKAYLA | ELLISRAS GIRLS |
| 31 | 52.31 | CASTELYN - ANKE | MONTANA GIRLS |
| 32 | 55.74 | LOUW - LIANDRI | HTS DROSTDY GIRLS |