134 FinalResults Boys 16 400m
| Place | Performance | Athlete | Team |
| 1 | 0:48.83 | KOEKEMOER - LEENDER | HELPMEKAAR |
| 2 | 0:50.57 | HATTINGH - FRANCO | KEMPTON PARK |
| 3 | 0:51.15 | ROMIJN - KRYN | ERMELO |
| 4 | 0:51.47 | MPHELA - JUNIOR | JEUGLAND |
| 5 | 0:51.94 | CRAUSE - DIAN | TRANSVALIA |
| 6 | 0:52.80 | JOUBERT(MPK) - DAVID | NORIES UITNODIGINGSPAN |
| 7 | 0:53.31 | RIEKERT(MPK) - RYNO | NORIES UITNODIGINGSPAN |
| 8 | 0:53.50 | VAN DEVENTER - RUAN | VEREENIGING GIMNASIUM |
| 9 | 0:53.54 | COETZER - JACO | HUGENOTE |
| 10 | 0:53.86 | TSHABALALA - THANDO | DINAMIKA |
| 11 | 0:54.11 | HARMSE(NHW) - RUAN | NORIES UITNODIGINGSPAN |
| 12 | 0:54.52 | VILJOEN(SEC) - WEGE | NORIES UITNODIGINGSPAN |
| 13 | 0:54.68 | BARNARD - ANROUX | LINDEN |
| 14 | 0:56.45 | COETZEE - DILLON | BASTION |
| 15 | 0:58.23 | KANKU - RABBI | RANDPARK HIGH |
| 16 | 1:05.22 | KAYEMBE(DIN) - NICOLAS | NORIES UITNODIGINGSPAN |