| Place | Performance | Athlete | Team |
| 1 | 20.79 | q: PIENAAR - NOAH | HENNOPSPARK LAERSKOOL |
| 2 | 21.00 | q: WESTGATE - LOGAN | WIERDAPARK LAERSKOOL |
| 3 | 21.42 | q: SMALBERGER - ANDRIES | BAKENKOP LAERSKOOL |
| 4 | 21.43 | q: BETHANIE - MOTHUSI | TRINITY HOUSE CENTURION |
| 5 | 22.39 | -: NGUBENI - KHALID | DORINGKLOOF LAERSKOOL |
| 6 | 23.71 | -: LOUW - MATTHYS | SWARTKOP LAERSKOOL |