Pos | Rank | Heat | Bib | Athlete | Mark | Details | Reaction Time | |
|---|---|---|---|---|---|---|---|---|
1 | 1 | 1 | 441 | GBR | 48.52 | Q | 0.152 | |
2 | 2 | 1 | 882 | RSA | 48.52 | Q | 0.151 | |
3 | 1 | 2 | 900 | RSA | 48.58 | Q | 0.198 | |
4 | 2 | 2 | 599 | JAM | 48.64 SB | Q | 0.228 | |
5 | 3 | 1 | 479 | GER | 48.72 PB | Q | 0.176 | |
6 | 3 | 2 | 306 | DOM | 48.74 SB | Q | 0.204 | |
7 | 1 | 5 | 1059 | USA | 48.81 | Q | 0.172 | |
8 | 4 | 2 | 1070 | USA | 48.91 | Q | 0.173 | |
9 | 1 | 3 | 865 | PUR | 48.95 | Q | 0.198 | |
10 | 2 | 5 | 465 | GBR | 49.06 | Q | 0.201 | |
11 | 3 | 5 | 1051 | UKR | 49.24 SB | Q | 0.185 | |
12 | 2 | 3 | 1126 | USA | 49.38 | Q | 0.189 | |
13 | 3 | 3 | 906 | RUS | 49.43 SB | Q | 0.175 | |
14 | 4 | 5 | 595 | JAM | 49.45 | Q | 0.331 | |
15 | 4 | 3 | 1058 | URU | 49.48 | Q | 0.283 | |
16 | 5 | 2 | 657 | KEN | 49.49 SB | q | 0.507 | |
17 | 5 | 3 | 621 | JPN | 49.51 | q | 0.155 | |
18 | 4 | 1 | 954 | SRB | 49.67 | Q | 0.199 | |
19 | 5 | 1 | 277 | CUB | 49.69 | q | 0.195 | |
20 | 6 | 1 | 203 | BRA | 49.74 | q | 0.198 | |
21 | 1 | 4 | 1087 | USA | 49.82 | Q | 0.178 | |
22 | 6 | 2 | 859 | POR | 49.82 | 0.260 | ||
23 | 5 | 5 | 773 | MOZ | 49.86 | 0.224 | ||
24 | 2 | 4 | 1010 | TTO | 49.90 | Q | 0.193 | |
25 | 7 | 2 | 868 | PUR | 49.98 | 0.181 | ||
26 | 3 | 4 | 603 | JAM | 50.29 | Q | 0.214 | |
27 | 4 | 4 | 440 | GBR | 50.39 | Q | 0.199 | |
28 | 6 | 3 | 243 | CHN | 50.44 | 0.190 | ||
29 | 5 | 4 | 236 | CHN | 50.51 | 0.307 | ||
30 | 6 | 5 | 616 | JPN | 50.92 | 0.226 | ||
31 | 7 | 5 | 774 | MRI | 51.02 | 0.154 | ||
32 | 6 | 4 | 182 | BIZ | 51.19 | 0.183 | ||
33 | 7 | 4 | 610 | JPN | 51.90 | 0.196 | ||
34 | 7 | 3 | 692 | KOR | 52.98 | 0.199 |