058 Heat 1 of 2 Boys 10 1200m
| Place | Performance | Athlete | Team |
| 1 | 3:50.00 | Q: VILJOEN - JOSHUA | GAUTENG |
| 2 | 3:54.82 | Q: MASHIA - TSHEGOFATSO | LIMPOPO |
| 3 | 3:55.60 | Q: MATTHEW - JOHNATHAN | FREESTATE |
| 4 | 3:57.87 | Q: MPHETENG - MPHO | FREESTATE |
| 5 | 3:58.35 | Q: HAASBROEK - WANRU | WESTERN CAPE |
| 6 | 4:02.12 | q: HUMAN - KAYWEN | MPUMALANGA |
| 7 | 4:02.21 | q: SENTSHO - TIISETSO | NORTHWEST PROVINCE |
| 8 | 4:18.55 | -: KHUMALO - AYABONGA | KWAZULU-NATAL |
| 9 | 4:24.79 | -: MALIBONGWE - SEYAMA | KWAZULU-NATAL |
| 10 | 4:29.23 | -: BROWN - LUKE | WESTERN CAPE |
| 11 | 4:39.08 | -: KHUMALO - MLONDI | KWAZULU-NATAL |
| 12 | 5:03.47 | -: GEORGE - ELETHUTHANDO | EASTERN CAPE |