Pos | Rank | Heat | Bib | Athlete | Mark | Details | Reaction Time | |
|---|---|---|---|---|---|---|---|---|
1 | 1 | 1 | RUS | 51.82 | ||||
2 | 2 | 1 | BUL | 52.34 | ||||
3 | 1 | 2 | JAM | 52.56 | ||||
4 | 2 | 2 | USA | 52.61 | ||||
5 | 3 | 1 | JAM | 52.77 | ||||
6 | 3 | 2 | RUS | 53.13 | ||||
7 | 4 | 2 | ROU | 53.17 | ||||
8 | 4 | 1 | CZE | 53.18 | ||||
9 | 5 | 2 | CZE | 53.38 | ||||
10 | 5 | 1 | USA | 53.46 | ||||
11 | 6 | 1 | ESP | 53.75 | ||||
2 | FRA | DQ |