| Place | Performance | Athlete | Team |
| 1 | 48.86 | -: JANSE VAN RENSBURG - MILLA | AFFIES MEISIES B |
| 2 | 49.09 | -: OOSTHUIZEN - MIA | MARAIS VILJOEN B |
| 3 | 50.19 | -: VAN DER WALT - MIEKE | HTS MIDDELBURG B |
| 4 | 50.42 | -: SCHOLTZ - MINETTE | GARSFONTEIN C |
| 5 | 50.66 | -: DU PLESSIS - MARLENE | ORANJE MEISIES B |
| 6 | 54.47 | -: KIDD - HAYLEY | CURRO WINDHOEK GYMNASIUM B |
| 7 | -: HORN - KIARA | MENLOPARK DOGTERS B |