Pos | Bib | Athlete | Mark | Details | Reaction Time | |
|---|---|---|---|---|---|---|
1 | 714 | NGR | 49.96 | Q | 0.231 | |
2 | 556 | JAM | 50.05 PB | Q | 0.230 | |
3 | 415 | GER | 50.09 PB | Q | 0.192 | |
4 | 849 | RUS | 50.48 PB | Q | 0.185 | |
5 | 1002 | USA | 50.67 PB | 0.170 | ||
6 | 671 | MEX | 50.70 SB | 0.315 | ||
7 | 225 | CZE | 50.84 SB | 0.256 | ||
8 | 1039 | USA | 50.90 | 0.165 |