| Place | Performance | Athlete | Team |
| 1 | 23.32 | q: STRIJDOM - MALAN | LYNNWOOD LAERSKOOL |
| 2 | 23.33 | q: ENGELBRECHT - ETHAN | GARSFONTEIN LAERSKOOL |
| 3 | 23.58 | q: DE BRUIN - ANDRE | ELARDUSPARK LAERSKOOL |
| 4 | 23.95 | q: DU PLESSIS - JEANR | CONSTANTIAPARK LAERSKOOL |
| 5 | 25.70 | -: DE KOK - LEONARD | ANTON VAN WOUW LAERSKOOL |