| Place | Performance | Athlete | Team |
| 1 | 0:46.69 | OOSTHUIZEN - RUAN | MENLOPARK A |
| 2 | 0:48.44 | SPANGENBERG - DIVAN | NOORDHEUWEL B |
| 3 | 0:48.62 | VAN STADEN - SLAYDEN | TUKS INVITATIONAL |
| 3 | 0:48.62 | MOLAETSA - MPHO | TUKS SPORT SCHOOL B |
| 5 | 0:48.87 | SMITH - DWAYNE | TUKS INVITATIONAL |
| 6 | 0:49.48 | NCUBE - JAMES | TUKS SPORT SCHOOL B |
| 7 | 0:49.61 | VERMAAK - THEODORE | DIE ANKER |
| 8 | 0:49.86 | RASILE - TSHEPO | PRESTIGE COLLEGE BOYS D |
| 9 | 0:50.21 | JANSE VAN VUUREN - JOHAN | MENLOPARK SEUNS A |
| 10 | 0:50.27 | LUKUNKU - JOSHUA | PRESTIGE COLLEGE BOYS C |
| 11 | 0:50.37 | SITHOLE - RHULA | PRETORIA BOYS HIGH A |
| 12 | 0:50.49 | SMITH - IAN | MENLOPARK SEUNS B |
| 13 | 0:50.84 | NKOSI - SIYABONGA | AMBERFIELD |
| 14 | 0:50.88 | POSILE - MIHLALI | TUKS INVITATIONAL |
| 15 | 0:50.90 | GEDULD - JOGGIE | HTS TOM NAUDE |
| 16 | 0:50.99 | PARKIN - REECE | RANDBURG |
| 17 | 0:51.06 | PEPLER - TRISTAN | HANS MOORE |
| 18 | 0:51.36 | VD WALT - BERNARD | ELDORAIGNE B |
| 19 | 0:51.52 | SNYMAN - ARMAND | OVERKRUIN |
| 20 | 0:51.53 | VAN TROMP - MARKO | DR MALAN B |
| 21 | 0:51.54 | ENGELBRECHT - DAWIE | TUKS INVITATIONAL |
| 22 | 0:51.55 | MALOPE - OWAMI | SECUNDA BOYS |
| 23 | 0:51.99 | DE NEIJS - REGAN | PIETERSBURG |
| 24 | 0:53.38 | MASANGO - MAWANDE | CURRO HAZELDEAN |
| 25 | 0:53.86 | VAN DER WALT - JANCO | TUKS INVITATIONAL |
| 26 | 0:53.95 | NIANE - RASHIED | WITTEBERG SEUNS |
| 27 | 0:54.13 | DU PLOOY - IVAN | CURRO WINDHOEK GYMNASIUM B |
| 28 | 0:54.16 | MOTSHOANE - MAKWE | RANDFONTEIN |
| 29 | 0:54.24 | VAN DER LINDE - GERRIT | TUKS INVITATIONAL |
| 30 | 0:55.53 | VILJOEN - CHRISJAN | TUKS INVITATIONAL |