Pos | Bib | Athlete | Mark | Details | Reaction Time | |
|---|---|---|---|---|---|---|
1 | 679 | KEN | 48.37 | Q | 0.172 | |
2 | 863 | RUS | 49.05 SB | Q | 0.168 | |
3 | 202 | BAH | 49.09 | Q | 0.175 | |
4 | 754 | MOZ | 49.15 SB | Q | 0.163 | |
5 | 158 | ALG | 49.33 | q | 0.200 | |
6 | 622 | JAM | 49.47 | 0.177 | ||
7 | 778 | NZL | 49.58 NR | 0.174 | ||
8 | 661 | JPN | 49.78 | 0.152 | ||
9 | 821 | PUR | 49.94 | 0.192 |