| Place | Performance | Athlete | Team |
| 1 | 39.74 | JAFTA - RAQIEL | GREY COLLEGE |
| 2 | 40.01 | MOTAUNG - TSHIAMO | PRESTIGE COLLEGE BOYS |
| 3 | 41.27 | SHIBA - MENZI | NELSPRUIT |
| 4 | 41.44 | SMITH - TAELIN | MENLOPARK SEUNS A |
| 5 | 42.21 | VAN BO - GEHANO | BOLAND LANDBOU |
| 6 | 42.32 | VAN DER WESTHUIZEN - JORDAN | EG JANSEN |
| 7 | 42.34 | MYBURGH - STIAAN | HELPMEKAAR WIT SEUNS |
| 8 | 42.38 | PRETORIUS - MEYER | WATERKLOOF SEUNS B |
| 9 | 42.63 | BOOYSEN - JAYDEN | VEREENIGING GIM SEUNS |
| 10 | 42.76 | FOXCROFT - ZANDER | RANDBURG SEUNS |
| 11 | 42.82 | KOTZE - LUCAN | AFFIES SEUNS A |
| 12 | 42.95 | OOSTHUIZEN - ZIAN | BRITS BOYS |
| 13 | 43.05 | VERMEULEN - HUGO | RUSTENBURG SEUNS |
| 14 | 43.30 | SCHEEPERS - ESTIAAN | MIDSTREAM BOYS |
| 15 | 43.42 | BOSCH - ENRIQUE | MONUMENT |
| 16 | 43.67 | HUMAN - HERNU | KLERKSDORP SEUNS BLOU |
| 17 | 43.68 | MC ASLIN - DEAN | KLERKSDORP SEUNS BLOU |
| 18 | 43.92 | DE KOCK - NEIL | GARSFONTEIN SEUNS |
| 19 | 44.04 | BOTHA - ZANRICH | NWU INVITATIONAL TEAM |
| 20 | 44.57 | STANDER - HANNES | WATERKLOOF SEUNS B |
| 21 | 44.69 | PODILLA - HAYDEN | MONUMENT |
| 22 | 44.85 | OLIVIER - LIAM | NWU INVITATIONAL TEAM |
| 23 | 44.92 | VORSTER - HAYDEN | HELPMEKAAR GOUD SEUNS |
| 24 | 45.40 | GRIESEL - ALEXANDER | WATERKLOOF SEUNS A |
| 25 | 45.52 | VAN JAARSVELD - ALDO | NELSPRUIT |
| 25 | 45.52 | VAN WYK - JUAN | ELDORAIGNE SEUNS |
| 27 | 45.63 | LE ROUX - KRIGE | BOLAND LANDBOU |
| 28 | 46.09 | BLUMFIELD - WILLIAM | KING EWARD VII |
| 28 | 46.09 | BOSHOFF - LUAN | AFFIES SEUNS B |
| 30 | 46.27 | LUBBE - DREAN | VEREENIGING GIM SEUNS |
| 31 | 46.34 | KAPU - LESIBA | PRETORIA BOYS HIGH A |
| 32 | 46.40 | SMITH - JEAN | KEMPTON PARK SEUNS |
| 33 | 46.67 | DIGOAMANE - KGOTSO | VORENTOE BOYS |
| 34 | 46.92 | WONDAFRASH - YITBAREK | PRETORIA BOYS HIGH A |
| 35 | 46.98 | VAN ROOYEN - CHRISTIAAN | NOORDHEUWEL SEUNS |
| 36 | 47.32 | MELATO - THANDO | NWU INVITATIONAL TEAM |
| 37 | 47.63 | BEZUIDENHOUT - DIVAN | NWU INVITATIONAL TEAM |
| 38 | 47.95 | LOTTERING - TRISTAN | POTCHEFSTROOM GIM SEUNS |
| 39 | 48.03 | BESTER - RUBEL | MONTANA SEUNS |
| 40 | 48.18 | SCHUTTE - LIAM | WATERKLOOF INV |
| 41 | 48.92 | VAN DER WESTHUIZEN - ETIENNE | WATERKLOOF INV |
| 42 | 49.71 | LE ROUX - GC | WESVALIA SEUNS |
| 43 | 49.81 | TRYTSMAN - JUHAN | EG JANSEN |