| Place | Performance | Athlete | Team |
| 1 | 43.27 | VAN STADEN - JADA | TUKS INVITATION |
| 2 | 44.62 | DEGENAAR - MARTINE | OVERKRUIN A |
| 3 | 44.64 | BEETGE - NACHELLE | ELLISRAS |
| 4 | 45.02 | WERNER - BEA-MARIE | AFFIES MEISIES UIT |
| 5 | 45.23 | VENTER - CARA | MIDSTREAM COLLEGE A |
| 6 | 46.12 | CLAASSENS - MICHELLE | PIETERSBURG |
| 7 | 46.63 | JANSE VAN VUUREN - NICOLE | ZWARTKOP C |
| 8 | 47.16 | COETZER - JANKE | DIAMANTVELD |
| 9 | 48.49 | OBERHOLZER - CHANTE | HUGENOTE |
| 10 | 48.51 | BRANDT - MIA MARLET | WINDHOEK GYMNASIUM A |
| 11 | 48.70 | MEYER - DANYA | WINDHOEK GYMNASIUM B |
| 12 | 49.43 | GOUWS - ROLE | LICHTENBURG B |
| 13 | 50.22 | CRONJE - NICOLIEN | BETLEHEM VOORTREKKER B |
| 14 | 50.49 | CRONJE - MARIANKE | CURRO HAZELDEAN |
| 15 | 51.06 | MOKOLOANE - REABETSOE | PRESTIGE COLLEGE GIRLS B |
| 16 | 51.59 | WYLBACH - KAITHLTN | BRITS |