| Place | Performance | Athlete | Team |
| 1 | 0:47.50 | OOSTHUIZEN - RUAN | MENLOPARK BOYS |
| 2 | 0:47.77 | VLOK - DIVAN | ZWARTKOP BOYS |
| 3 | 0:48.79 | SPANGENBERG - DIVAN | NOORDHEUWEL BOYS |
| 4 | 0:49.98 | NEL - MARX | AFFIES SEUNS |
| 5 | 0:50.02 | VERMAAK - THEODORE | DIE ANKER SEUNS |
| 6 | 0:50.12 | WILLIAMS - CHRISTOPHER | MIDSTREAM COLLEGE BOYS |
| 7 | 0:50.75 | LEHMANN - JAHNNO | MONTANA BOYS |
| 8 | 0:51.15 | SITHOLE - RHULA | PRETORIA BOYS HIGH |
| 9 | 0:51.16 | PARKIN - REECE | RANDBURG BOYS |
| 10 | 0:51.26 | TSHIYOMBO - JAMES | QUEENS HIGH BOYS |
| 11 | 0:51.89 | COERECIUS - KEAGAN | OAKDALE |
| 12 | 0:51.98 | J V VUUREN - JOHAN | MENLOPARK BOYS |
| 13 | 0:52.25 | TUUBA - JACOB | VORENTOE BOYS |
| 14 | 0:52.27 | MOLALE - PHEMELO | POTCHEFSTROOM GIMNASIUM BOYS |
| 15 | 0:52.79 | WINTERBACH - WILMAR | CHARLIE HOFMEYER BOYS |
| 16 | 0:52.99 | ENGELBRECHT - DAWIE | ELLISRAS BOYS |
| 17 | 0:53.09 | JEANDR - BRINK | WESVALIA BOYS |
| 18 | 0:53.66 | THERON - JUANDRE | MARAIS VILJOEN BOYS |
| 19 | 0:55.92 | DE VILLIERS - ETTIENE | PAUL ROOS GYMNASIUM |
| 20 | 0:57.26 | KOKOHLOBANE - LESEGO | QUEENS HIGH BOYS |