| Place | Performance | Athlete | Team |
| 1 | 0:46.81 | FAIRLIE - JAYDON | NOORDHEUWEL HORSKOOL |
| 2 | 0:49.08 | SHANZI - MICHAEL | MENLOPARK HS BLOU |
| 3 | 0:51.41 | DE KLERK - NJ | ZWARTKOP HORSKOOL |
| 4 | 0:51.72 | GRAAFF - JUANDRE | SB ATHLETICS CLUB |
| 5 | 0:52.25 | PILA - OMPHILE | PRESTIGE COLLEGE |
| 6 | 0:53.35 | SMIT - LEANDER | WATERKLOOF HORSKOOL A |
| 7 | 0:53.43 | MOTAUNG - HLONI | KLERKSDORP HS A |
| 8 | 0:53.64 | GILBERT - ELI | MONUMENT HS |
| 9 | 0:53.69 | MOULDER - MIGAEL | ELDORAIGNE HS GROEN |
| 10 | 0:54.21 | GROENEWALD - RUMARKO | WATERKLOOF HORSKOOL A |
| 11 | 0:54.61 | TSIBELA - MALCOLM | WITTEBERG HORSKOOL |
| 12 | 0:54.89 | GROBLER - ZIAN | HELPMEKAAR KOLLEGE BRUIN |
| 13 | 0:55.39 | YOUNG - SIMON | ELLISRAS HORSKOOL |
| 14 | 0:55.62 | DITSHWANE - KGOSI | PRETORIA BOYS HS B |
| 15 | 0:55.63 | DE JAGER - RIKUS | HELPMEKAAR KOLLEGE BRUIN |
| 16 | 0:55.80 | SCHUSTER - HEINO | PRETORIA-NOORD HORSKOOL |
| 17 | 0:55.83 | EDMEADES - CARTER | JEPPE BOYS HIGH SCHOOL |
| 18 | 0:55.84 | PRINSLOO - HENRICO | WESVALIA MAROON |
| 19 | 0:56.04 | JANSE VAN RENSBURG - WALDO | HANS MOORE HORSKOOL |
| 20 | 0:56.29 | CROTS - DALE-ERIC | POTCHEFSTROOM GIMNASIUM |
| 21 | 0:56.41 | DE BEER - LOHAN | GREY KOLLEGE |
| 22 | 0:56.60 | DUA - JOSHUA | HELPMEKAAR KOLLEGE BRUIN |
| 23 | 0:56.61 | JACOBS - JANCO | WATERKLOOF HORSKOOL A |
| 24 | 0:56.86 | PAULUS - ISAI | INDIVIDUALS |
| 25 | 0:57.44 | TSOLO - TUMELO | SUTHERLAND HIGH SHOOL |
| 26 | 0:57.48 | NHLAPO - JESSE | INDIVIDUALS |
| 27 | 0:57.88 | IHESIE - AHANA | CURRO SERENGETI YELLOW |
| 28 | 0:58.03 | KOBE - LANGA | INDIVIDUALS |
| 29 | 0:58.44 | MARANGE - KEKETSO | ISSSA |
| 30 | 0:58.51 | VAN ZYL - WYNAND | LINDEN HORSKOOL |
| 31 | 1:00.30 | PULE - ONKARABILE | INDIVIDUALS |
| 32 | 1:00.83 | CHIDZONGA - TAKHUNDA | FOURWAYS HIGH SCHOOL B |
| 33 | 1:01.18 | GROBLER - MARNUS | OOS-MOOT HORSKOOL |
| 34 | 1:01.95 | VAN NIEKERK - ZANDER | MONUMENT HS |
| 35 | 1:04.34 | LOURENS - ERTJIE | PIETERSBURG HORSKOOL |
| 36 | 1:09.09 | RADITSEBE - TSOGO | ISSSA |