| Lane | Bib | Name | Country | SB | PB |
|---|---|---|---|---|---|
| 1 | 28 | KIETI Stanle | KEN | 47.38 | – |
| 2 | 26 | TAUTA Kelvin | KEN | 47.57 | – |
| 3 | 25 | KIPROTICH Kevin | KEN | 47.32 | – |
| 4 | 23 | MWERESA Boniface | KEN | 46.73 | – |
| 5 | 22 | RAYAN William | KEN | 46.57 | – |
| 6 | 21 | OMAE Collins | KEN | 46.17 | – |
| 7 | 24 | KIPNGETICH Nathaniel | KEN | 47.31 | – |
| 8 | 27 | KIPRUTO Cleophas | KEN | 47.32 | – |
