| Lane | Bib | Team | Name | Born | PB | SB |
|---|---|---|---|---|---|---|
| 1 | 124 | KEN | MUTHOKI Kennedy Kimeu | 20 DEC 2002 | 45.51 | 45.84 |
| 2 | 130 | USA | BUTLER Daeqwan | 01 JAN 1999 | 45.53 | |
| 3 | 125 | BOT | SCOTCH Leungo | 28 FEB 1996 | 44.82 | 45.39 |
| 4 | 126 | BOT | NDORI Bayapo | 20 JUN 1999 | 44.61 | 45.16 |
| 5 | 127 | KEN | EKWAM Zablon Ekhal | 04 AUG 1997 | 45.19 | 45.19 |
| 6 | 128 | USA | DEADMON Bryce | 26 MAR 1997 | 44.22 | 45.20 |
| 7 | 129 | FRA | BIRON Gilles | 13 APR 1995 | 45.05 | |
| 8 | 123 | BOT | VAN WYK Tumo Statago | 26 JUL 2002 | 45.79 | 45.79 |
