Pos | Rank | Heat | Bib | Athlete | Mark | Details | Reaction Time | |
|---|---|---|---|---|---|---|---|---|
1 | 1 | 2 | 133 | CAN | 45.47 | Q | 0.142 | |
2 | 1 | 1 | 503 | JAM | 45.53 | Q | 0.194 | |
3 | 1 | 3 | 1039 | USA | 45.65 | Q | 0.138 | |
4 | 2 | 2 | 1042 | USA | 45.65 | Q | 0.169 | |
5 | 3 | 2 | 341 | GBR | 45.66 | q | 0.180 | |
6 | 2 | 3 | 49 | BAH | 45.67 | Q | 0.156 | |
7 | 2 | 1 | 1023 | USA | 45.78 | Q | 0.193 | |
8 | 3 | 1 | 34 | AUS | 46.06 | q | 0.148 | |
9 | 4 | 1 | 206 | DOM | 46.07 | 0.167 | ||
10 | 4 | 2 | 203 | DOM | 46.08 | 0.211 | ||
11 | 5 | 2 | 161 | COD | 46.15 | 0.158 | ||
12 | 3 | 3 | 492 | JAM | 46.25 | 0.200 | ||
13 | 5 | 1 | 420 | GRN | 46.59 | 0.185 | ||
14 | 6 | 1 | 680 | NGR | 46.62 | 0.204 | ||
15 | 6 | 2 | 861 | SUD | 46.67 | 0.157 | ||
16 | 4 | 3 | 356 | GBR | 46.69 | 0.176 | ||
17 | 7 | 1 | 584 | KSA | 46.80 | 0.151 | ||
18 | 8 | 1 | 455 | ITA | 47.10 | 0.154 | ||
19 | 5 | 3 | 869 | SUI | 47.19 | 0.161 | ||
20 | 7 | 2 | 504 | JAM | 47.20 | 0.250 | ||
21 | 6 | 3 | 1055 | ZIM | 47.20 | 0.165 | ||
22 | 7 | 3 | 87 | BOT | 47.26 | 0.179 | ||
23 | 8 | 3 | 530 | JPN | 48.55 | 0.163 | ||
2 | 928 | TUN | DNF | 0.166 |