| Lane | Bib | Name | Nationality | SB | PB | |
|---|---|---|---|---|---|---|
| 1 | 102 | Emmanuel Mutua | KEN | 2002 | 47 | |
| 2 | 175 | Poghisio Joseph | KEN | 1990 | 47.9 | 45.85 |
| 3 | 169 | Geldenhuys Ivan Danny | NAM | 2001 | 46.29 | 46.29 |
| 4 | 202 | Momanyi Jared | KEN | 1988 | 45.13 | |
| 5 | 114 | Kishoyian Alphas Leken | KEN | 1994 | 47 | 44.75 |
| 6 | 94 | Ojeli Emmanuel | NGR | 1998 | 45.91 | 45.91 |
| 7 | 117 | Gichana Collins Omae | KEN | 1989 | None | 45.19 |
| 8 | 134 | William Ryan | KEN | 1994 | 46.45 |
