212 FinalResults Boys 16 400m
| Place | Performance | Athlete | Team |
| 1 | 0:47.93 | MAHLANGU - NTANDO | AFFIES SEUNS A |
| 2 | 0:48.30 | DAMBILE - SINESIPHO | TUKS SPORT SCHOOL |
| 3 | 0:50.19 | MAREE - ZANDER | WATERKLOOF B |
| 4 | 0:50.43 | VAN NIEKERK - SHANE | DIAMANTVELD |
| 5 | 0:50.47 | DE VILLIERS - NEIL | MONTANA A |
| 6 | 0:51.03 | VENTER - CHRISTIAAN | GARSFONTEIN A |
| 7 | 0:52.35 | DAVIES - DYLAN | KEMPTON PARK B |
| 8 | 0:52.53 | LEDUMO - KAGISO | VORENTOE A |
| 9 | 0:53.15 | VENTER - PIETER | PIET POTGIETER |
| 10 | 0:53.39 | PHOKA - LEHLOENYA | PRESTIGE COLLEGE BOYS C |
| 11 | 0:53.73 | FARNHAM - KYLE | JEPPE BOYS HIGH |
| 12 | 0:53.78 | DAVIS - FRANCO | ERASMUS |
| 13 | 0:54.20 | BRITS - RYAN | OVERKRUIN B |
| 14 | 0:54.68 | MALEJOANE - KENNY | LYTTLETON MANOR |
| 15 | 0:54.81 | KRITZINGER - JUSTIN | BETLEHEM VOORTREKKER A |
| 16 | 0:55.03 | MASHELE - SIPHESIHLE | LOWVELD HIGH B |
| 17 | 0:55.71 | CUPIDO - DIEGO | HELPMEKAAR KOLLEGE B |
| 18 | 0:55.97 | NEL - MARTHINUS | WOODHILL COLLEGE |
| 19 | 0:56.02 | ROETS - KRISTOFER | WESTVILLE BOYS A |
| 20 | 0:57.61 | GOUWS - HENK | GLENWOOD A |
| 21 | 0:59.18 | MABUNDA - RIFUMO | LOWVELD HIGH A |