| Place | Performance | Athlete | Team |
| 1 | 0:44.94 | KOEKEMOER - LEENDERT | UJ ATHLETICS |
| 2 | 0:45.17 | MTHIMKULU - MTHI | KOVSIE |
| 3 | 0:46.03 | RIEKERT - RYNO | BACKTRACK AC |
| 3 | 0:46.03 | MASEKO - NHLANHLA | CURRO HAZELDEAN |
| 5 | 0:46.21 | MOKGETHI - THEO | BOTSWANA |
| 6 | 0:46.33 | TJAZERI - MOUJE | NEW ERA ATHELETIC CLUB |
| 7 | 0:46.46 | VAN HEERDEN - LLEWELLYN | BOXER ATHLETICS CLUB |
| 8 | 0:46.49 | GASEB - ELVIS | NAMIBIA |
| 9 | 0:46.83 | MEKHISE - DITIRO | UJ ATHLETICS |
| 10 | 0:47.55 | SHABANE - KABELO | BOTSWANA |
| 11 | 0:47.62 | CHEWE - DOMINIC | ELITE ATHLETICS CLUB |
| 12 | 0:47.64 | GABONAMONG - TUMISO | BOTSWANA |
| 13 | 0:47.74 | SEELIGER - JAMES | TUKS ATHLETICS |
| 14 | 0:48.45 | SHALE - ORATILE | UJ ATHLETICS |
| 15 | 0:48.67 | SINDANE - SIPHO | TUKS ATHLETICS |
| 16 | 0:48.78 | ARTWELL - SIMON | ZIMBABWE |
| 17 | 0:48.99 | TSABENDZE - MZWANDILE | ESWATINI |
| 18 | 0:49.11 | HUANG - WEI JUN | SINGAPORE |
| 19 | 0:49.28 | PHOLO - MOTHUSI | BOTSWANA |
| 20 | 0:49.40 | MAILULA - THABANG VICTOR | TUKS ATHLETICS |
| 21 | 0:49.47 | RUGG - ROBERT | NWU ATHLETICS CLUB |
| 22 | 0:49.66 | NYAMBIYA - PANASHE | NEDBANK CLUB |
| 23 | 0:49.86 | MTHULISI - KHOZA | ESWATINI |
| 23 | 0:49.86 | MOYO - PRINCE | I PREFER TRACK |
| 25 | 0:50.26 | NONGAWUZA - WANDILE BENJAMIN | UJ ATHLETICS |
| 26 | 0:50.41 | MODESELLE - TSHEGOFATSO | VARSITY COLLEGE |
| 27 | 0:51.56 | FLAGG - JADEN | ATHLETES ACADEMY |
| 28 | 0:54.44 | BAPELA - RAMOSEBETSE | MIDRAND HIGH-SCHOOL |
| 29 | 0:56.42 | ESSOMBA - GLENN | TSHWANE UNIVERSITY OF TECHNOLOGY |
| 30 | 0:58.27 | MAHLANGU - JUNIOR | EAST UNITED ATHLETIC CLUB |
| 31 | 1:10.20 | MUDAU - LUTENDO MARTIN | GREATER ELIM ATHLETIC CLUB |