| Rank | Lane | Team | Name | Born | R.T | Time | |
|---|---|---|---|---|---|---|---|
| 1 | 4 | BOT | NDORI Bayapo | 20 JUN 1999 | 0.166 | 44.10 | WL MR |
| 2 | 6 | USA | DEADMON Bryce | 26 MAR 1997 | 0.249 | 44.41 | SB |
| 3 | 3 | BOT | SCOTCH Leungo | 28 FEB 1996 | 0.192 | 44.54 | PB |
| 4 | 5 | KEN | EKWAM Zablon Ekhal | 04 AUG 1997 | 0.308 | 44.69 | PB |
| 5 | 7 | FRA | BIRON Gilles | 13 APR 1995 | 0.203 | 45.36 | |
| 6 | 8 | BOT | VAN WYK Tumo Statago | 26 JUL 2002 | 0.203 | 46.13 | |
| 7 | 2 | USA | BUTLER Daeqwan | 01 JAN 1999 | 0.208 | 46.37 | |
| 8 | 1 | KEN | MUTHOKI Kennedy Kimeu | 20 DEC 2002 | 0.223 | 46.93 |
