162 FinalResults Boys 17 400m
| Place | Performance | Athlete | Team |
| 1 | 0:49.11 | GOUWS - JOSHUA | DIE WILGERS |
| 2 | 0:49.96 | DU PLESSIS - GERDUS | AFRIKAANS HOR SEUNS |
| 3 | 0:50.45 | DU RANDT - JEAN | WATERKLOOF |
| 4 | 0:50.67 | NDIMANDE - NTHUTHUKO | JEPPE BOYS HIGH |
| 5 | 0:50.96 | PRETORIUS - JANIEL | AFRIKAANS HOR SEUNS |
| 6 | 0:51.00 | PETERSEN - MARKUS | KEMPTON PARK |
| 7 | 0:52.48 | MTHIMKULU - SIMPHIWE | PRESTIGE COLLEGE |
| 8 | 0:53.40 | ERASMUS - SHANE | MIDSTREAM COLLEGE INV |
| 9 | 0:53.94 | SMIT - IVAN | GARSFONTEIN |
| 10 | 0:54.95 | GELDENHUYS - JACQUES | GARSFONTEIN |
| 11 | 0:55.70 | J.V.RENSBURG - THINUS | CENTURION |
| 12 | 0:56.05 | DLAMINI - THEMBA | NOORDHEUWEL |
| 13 | 0:56.25 | PHILLIPS - GRANT | KLERKSDORP |
| 14 | 0:57.77 | STANDER - FRANS | SECUNDA |
| 15 | 0:59.15 | LABUSCHAGNE - ERIK | ELDORAIGNE |