| Rank | Lane | Team | Name | Born | RT | Time | |
|---|---|---|---|---|---|---|---|
| 1 | 6 | KEN | MUKHOBE Wiseman Were | 13 OCT 1997 | 0.176 | 48.57 | MR |
| 2 | 3 | KEN | ROTICH Kipkorir | 05 MAY 1998 | 0.184 | 50.39 | SB |
| 3 | 2 | KEN | NGUNJIRI Edward | 13 APR 1993 | 0.233 | 50.84 | SB |
| 4 | 5 | KEN | MUTHOKA Peter Kithome | 12 MAR 2003 | 0.178 | 51.08 | |
| 5 | 8 | KEN | BARAKA Meshack | 29 DEC 2002 | 0.256 | 51.75 | |
| 6 | 1 | KEN | KIPNGETICH Newton | 14 AUG 1997 | 0.227 | 52.38 | |
| 7 | 4 | KEN | KESSIO Nicholas Kiplimo | 06 JUL 1999 | 0.201 | 52.68 | |
| 8 | 7 | KEN | MUTUNGA William Mbevi | 12 JUL 1993 | 0.241 | 53.22 |
