| Place | Performance | Athlete | Team |
| 1 | 0:49.61 | MARUMA - LEEMA | PRETORIA BOYS HIGH RED |
| 2 | 0:49.99 | GROBBELAAR - HEINRICH | AA GREY ORANJE INDIVIDUAL |
| 3 | 0:50.36 | FROSLER - KIERAN | ACT AC |
| 4 | 0:50.94 | OLIVIER - ALWYN | FICHARDTPARK |
| 5 | 0:51.16 | MHLONGO - PRINCE | GOING 4 GOLD AC |
| 6 | 0:51.71 | RIEKERT - RYNO | MENLOPARK HS WIT |
| 7 | 0:51.79 | MDAKA - TINTSWALO | GOING 4 GOLD AC |
| 8 | 0:52.73 | DEMOSER - TRISTAN | KLERKSDORP HS |
| 9 | 0:52.87 | JOHNSTONE - WILLIAM | KING EDWARD VII SCHOOL |
| 10 | 0:53.01 | ESTERHUIZEN - TROY | KING EDWARD VII SCHOOL |
| 11 | 0:53.35 | BADLI - ZUKO | SELBORNE COLLEGE |
| 12 | 0:54.22 | BOSMAN - TIAN | HANS MOORE RED |
| 13 | 0:54.27 | MARIBE - LEKHALA KANTOOR | AA GREY ORANJE INDIVIDUAL |
| 14 | 0:55.05 | NIEUWOUDT - BJORN | GREY COLLEGE B |
| 15 | 0:55.93 | VAN TONDER - CLEMENT | GREY COLLEGE B |
| 16 | 0:56.40 | MARAIS - JAYDEN | GREY COLLEGE B |
| 17 | 0:56.49 | JOUBERT - KEVIN | AA GREY ORANJE INDIVIDUAL |
| 18 | 0:56.65 | BRUMMER - EDWIN | HANS MOORE YELLOW |
| 19 | 0:56.80 | GAGIANO - JANCO | DUINEVELD HS |
| 20 | 0:58.56 | VISSER - LUKE | GREY COLLEGE B |