Pos | Rank | Heat | Bib | Athlete | Mark | Details | Reaction Time | |
|---|---|---|---|---|---|---|---|---|
1 | 1 | 3 | USA | 49.88 | Q | 0.278 | ||
2 | 1 | 2 | BAH | 50.00 | Q | 0.271 | ||
3 | 2 | 3 | RUS | 50.04 | Q | 0.246 | ||
4 | 2 | 2 | USA | 50.14 PB | Q | 0.258 | ||
5 | 1 | 1 | MEX | 50.15 | Q | 0.273 | ||
6 | 2 | 1 | BAH | 50.17 PB | Q | 0.331 | ||
7 | 3 | 1 | USA | 50.54 | q | 0.308 | ||
8 | 3 | 2 | RUS | 50.63 | q | 0.221 | ||
9 | 3 | 3 | JAM | 50.85 | 0.231 | |||
10 | 4 | 1 | GBR | 51.00 | 0.236 | |||
11 | 4 | 3 | BUL | 51.20 =PB | 0.257 | |||
12 | 4 | 2 | SEN | 51.21 | 0.325 | |||
13 | 5 | 1 | SKN | 51.33 | 0.290 | |||
14 | 6 | 1 | BLR | 51.42 | 0.432 | |||
15 | 7 | 1 | GRN | 51.47 | 0.375 | |||
16 | 5 | 2 | CHA | 51.57 | 0.306 | |||
17 | 5 | 3 | GUY | 51.61 | 0.322 | |||
18 | 6 | 2 | RSA | 51.77 | 0.218 | |||
19 | 6 | 3 | UKR | 51.90 | ||||
20 | 7 | 2 | GBR | 51.94 | 0.207 | |||
21 | 8 | 2 | POL | 51.96 | 0.355 | |||
22 | 7 | 3 | CMR | 52.21 | 0.304 | |||
23 | 8 | 3 | GBR | 52.63 | 0.263 | |||
24 | 8 | 1 | EST | 53.13 | 0.436 |