| Rank | Lane | Team | Name | Born | RT | Time | |
|---|---|---|---|---|---|---|---|
| 1 | 3 | BRN | ADEKOYA Kemi | 16 JAN 1993 | 0.264 | 51.63 | PB |
| 2 | 7 | KEN | CHEBET Mercy | 02 JAN 2002 | 0.198 | 51.71 | PB |
| 3 | 5 | UGA | SHIDA Leni | 22 MAY 1994 | 0.348 | 52.41 | SB |
| 4 | 4 | BOT | KAMBERUKA Obakeng | 08 SEP 2003 | 0.205 | 52.85 | |
| 5 | 2 | NOR | ERTZGAARD Lakeri | 28 MAR 2002 | 0.162 | 52.89 | PB |
| 6 | 8 | KEN | THOMAS Maureen Nyaticji | 29 DEC 1997 | 0.219 | 53.58 | |
| 7 | 6 | BOT | GALEFELE Moroko | 16 APR 1997 | 0.376 | 53.79 | |
| 8 | 1 | KEN | NANJALA Jackline | 05 MAY 2001 | 0.273 | 54.03 |
