Pos | Rank | Heat | Bib | Athlete | Mark | Details | Reaction Time | |
|---|---|---|---|---|---|---|---|---|
1 | 1 | 1 | 1099 | USA | 44.76 | Q | 0.284 | |
2 | 1 | 3 | 594 | JAM | 44.99 | Q | 0.160 | |
3 | 2 | 1 | 171 | BEL | 45.02 | Q | 0.156 | |
4 | 2 | 3 | 170 | BEL | 45.14 | Q | 0.155 | |
5 | 3 | 3 | 524 | GRN | 45.17 | q | 0.192 | |
6 | 1 | 2 | 525 | GRN | 45.20 | Q | 0.174 | |
7 | 4 | 3 | 874 | QAT | 45.41 SB | q | 0.187 | |
8 | 3 | 1 | 963 | SUD | 45.43 | 0.161 | ||
9 | 5 | 3 | 1106 | USA | 45.51 | 0.232 | ||
10 | 2 | 2 | 565 | ISV | 45.53 | Q | 0.199 | |
11 | 3 | 2 | 154 | BAH | 45.54 | 0.159 | ||
12 | 6 | 3 | 934 | RUS | 45.68 | 0.230 | ||
13 | 4 | 1 | 1013 | TTO | 45.72 | 0.189 | ||
14 | 4 | 2 | 1131 | USA | 45.73 | 0.265 | ||
15 | 7 | 3 | 160 | BAH | 45.87 | 0.141 | ||
16 | 5 | 1 | 158 | BAH | 45.88 | 0.235 | ||
17 | 5 | 2 | 271 | CRC | 45.93 | 0.176 | ||
18 | 6 | 2 | 840 | POL | 45.94 | 0.191 | ||
19 | 7 | 2 | 456 | GBR | 46.09 | 0.198 | ||
20 | 6 | 1 | 618 | JPN | 46.11 | 0.171 | ||
21 | 7 | 1 | 278 | CUB | 46.13 | 0.145 | ||
22 | 8 | 3 | 896 | RSA | 46.19 | 0.294 | ||
23 | 8 | 1 | 303 | DMA | 46.41 | 0.163 | ||
24 | 8 | 2 | 596 | JAM | 46.99 | 0.202 |