| Place | Performance | Athlete | Team |
| 1 | 0:48.76 | THOMAS - HILTON | MIDSTREAM TEAL |
| 2 | 0:48.89 | GELDENHUYS - WIHAN | HTS MIDDELBURG A |
| 3 | 0:49.83 | ROUX - DEHAN | WESVALIA A |
| 4 | 0:50.37 | STEENKAMP - LIAM | ZWARTKOP D |
| 5 | 0:50.86 | MOKGAWA - SELAELO | HTS TOM NAUDE |
| 6 | 0:50.99 | PRETORIUS - DE WET | TUKS INVITATIONAL |
| 7 | 0:51.28 | LABUSCHAGNE - JANES | TUKS INVITATIONAL |
| 8 | 0:51.30 | MHLANGA - BRILIANT | SECUNDA BOYS |
| 9 | 0:51.43 | LEGODI - THALUKI | PRESTIGE COLLEGE BOYS D |
| 10 | 0:51.51 | WILSON - CONNOR | DIE ANKER |
| 11 | 0:51.55 | CRUYWAGEN - DIVAN | NOORDHEUWEL B |
| 12 | 0:51.57 | TSHUMA - ANDILE | BENONI BOYS |
| 13 | 0:51.90 | VAN TONDER - ANTON | RANDBURG |
| 14 | 0:52.09 | TEMANE - ANTHONY | AMBERFIELD |
| 15 | 0:52.38 | DU PLESSIS - MARNUS | HTS MIDDELBURG A |
| 16 | 0:52.70 | BRAND - JANNEMAN | CURRO WINDHOEK GYMNASIUM A |
| 17 | 0:53.06 | BURNHAM - TIMOTHY | ST BENEDICTS |
| 18 | 0:53.22 | SMIT - ALEXANDER | TUKS INVITATIONAL |
| 19 | 0:53.46 | DU PLESSIS - NICHOLIS | CURRO WINDHOEK GYMNASIUM A |
| 20 | 0:53.77 | THERON - JUANDRE | MARAIS VILJOEN B |
| 21 | 0:54.43 | VAN DER LITH - ZANDER | HELPMEKAAR WIT |
| 22 | 0:54.48 | JANSEN - JASON | CORNWALL HILL B |
| 23 | 0:54.53 | BALOYI - HLULANI | MERENSKY |
| 24 | 0:57.48 | DURDLE - ANDREW | TUKS INVITATIONAL |
| 25 | 0:58.06 | MMOPE - WAME | KRUGERSDORP |
| 26 | 0:59.91 | KUBU - LUNGILE | RANDFONTEIN |