Pos | Rank | Heat | Bib | Athlete | Mark | Details | Reaction Time | |
|---|---|---|---|---|---|---|---|---|
1 | 1 | 2 | 870 | RUS | 48.23 PB | Q | 0.153 | |
2 | 1 | 1 | 705 | KEN | 48.29 PB | Q | 0.165 | |
3 | 2 | 2 | 202 | BAH | 48.37 NR | Q | 0.171 | |
4 | 3 | 2 | 794 | POL | 48.40 PB | q | 0.193 | |
5 | 4 | 2 | 956 | TUR | 48.46 NR | q | 0.225 | |
6 | 1 | 3 | 1063 | USA | 48.47 | Q | 0.156 | |
7 | 2 | 1 | 1005 | USA | 48.50 | Q | 0.170 | |
8 | 2 | 3 | 679 | KEN | 48.54 | Q | 0.170 | |
9 | 3 | 3 | 911 | SUI | 48.59 | 0.153 | ||
10 | 3 | 1 | 863 | RUS | 48.69 PB | 0.178 | ||
11 | 4 | 1 | 599 | IRL | 48.71 | 0.196 | ||
12 | 5 | 2 | 1012 | USA | 48.74 | 0.178 | ||
13 | 5 | 1 | 454 | EST | 48.76 | 0.132 | ||
14 | 6 | 1 | 158 | ALG | 48.87 NR | 0.188 | ||
15 | 6 | 2 | 860 | RSA | 48.89 | 0.177 | ||
16 | 7 | 1 | 643 | JAM | 48.90 SB | 0.181 | ||
17 | 4 | 3 | 518 | GBR | 49.17 | 0.181 | ||
18 | 5 | 3 | 822 | PUR | 49.36 | 0.186 | ||
19 | 7 | 2 | 693 | KEN | 49.54 | 0.155 | ||
20 | 6 | 3 | 628 | JAM | 49.59 | 0.173 | ||
21 | 8 | 2 | 327 | CHN | 49.62 | 0.169 | ||
22 | 8 | 1 | 222 | BEL | 49.66 | 0.152 | ||
23 | 7 | 3 | 754 | MOZ | 50.58 | 0.177 | ||
24 | 8 | 3 | 664 | JPN | 51.10 | 0.181 |