Pos | Rank | Heat | Bib | Athlete | Mark | Details | Reaction Time | |
|---|---|---|---|---|---|---|---|---|
1 | 1 | 1 | 1385 | USA | 48.35 | Q | 0.156 | |
2 | 2 | 1 | 1216 | NOR | 48.43 | Q | 0.175 | |
3 | 3 | 1 | 844 | DOM | 48.59 PB | q | 0.192 | |
4 | 4 | 1 | 1092 | JAM | 48.66 | q | 0.204 | |
5 | 1 | 3 | 1268 | QAT | 48.75 | Q | 0.247 | |
6 | 2 | 3 | 1345 | TUR | 48.91 | Q | 0.203 | |
7 | 1 | 2 | 1405 | USA | 49.12 | Q | 0.187 | |
8 | 2 | 2 | 1298 | SUI | 49.13 | Q | 0.147 | |
9 | 3 | 3 | 1394 | USA | 49.30 | 0.150 | ||
10 | 5 | 1 | 606 | ALG | 49.33 | 0.186 | ||
11 | 6 | 1 | 1236 | POL | 49.40 | 0.158 | ||
12 | 3 | 2 | 1087 | JAM | 49.75 | 0.157 | ||
13 | 4 | 2 | 959 | GBR | 49.93 | 0.230 | ||
14 | 5 | 2 | 1101 | JPN | 49.93 | 0.212 | ||
15 | 4 | 3 | 942 | FRA | 49.95 | 0.205 | ||
16 | 5 | 3 | 1060 | ITA | 50.29 | 0.186 | ||
17 | 6 | 2 | 928 | FRA | 50.35 | 0.165 | ||
18 | 7 | 2 | 1137 | KEN | 50.40 | 0.174 | ||
19 | 8 | 2 | 882 | EST | 50.43 | 0.149 | ||
20 | 6 | 3 | 1079 | JAM | 50.54 | 0.216 | ||
21 | 7 | 1 | 922 | FRA | 55.69 | 0.170 | ||
3 | 731 | BRA | DNF | 0.175 | ||||
3 | 628 | ARG | DQ | 0.198 | ||||
1 | 1053 | IRL | DNS |