Pos | Rank | Heat | Bib | Athlete | Mark | Details | Reaction Time | |
|---|---|---|---|---|---|---|---|---|
1 | 1 | 3 | JAM | 48.65 PB | Q | 0.196 | ||
2 | 1 | 2 | USA | 48.67 | Q | 0.158 | ||
3 | 2 | 3 | RSA | 48.86 | Q | 0.179 | ||
3 | 2 | 2 | JAM | 48.86 | Q | 0.179 | ||
5 | 3 | 2 | RSA | 48.92 SB | Q | 0.148 | ||
6 | 4 | 2 | PAN | 49.05 SB | q | 0.174 | ||
7 | 3 | 3 | POL | 49.17 | Q | 0.169 | ||
8 | 5 | 2 | RUS | 49.19 | q | 0.187 | ||
9 | 1 | 1 | USA | 49.20 | Q | 0.157 | ||
10 | 2 | 1 | RSA | 49.24 | Q | 0.202 | ||
11 | 1 | 4 | USA | 49.42 | Q | 0.240 | ||
12 | 3 | 1 | BRA | 49.45 | Q | 0.170 | ||
13 | 2 | 4 | GRE | 49.50 | Q | 0.178 | ||
14 | 3 | 4 | JAM | 49.55 | Q | 0.225 | ||
15 | 4 | 3 | PUR | 49.60 | q | 0.246 | ||
16 | 4 | 1 | BIZ | 49.61 | q | 0.175 | ||
17 | 5 | 1 | JPN | 49.63 | 0.163 | |||
18 | 5 | 3 | CHN | 49.73 SB | 0.168 | |||
19 | 4 | 4 | JPN | 49.82 | 0.214 | |||
20 | 6 | 1 | POR | 49.89 SB | 0.160 | |||
21 | 6 | 2 | MLI | 50.57 | 0.229 | |||
22 | 5 | 4 | DOM | 51.10 | 0.184 | |||
23 | 6 | 3 | KGZ | 51.47 | 0.200 | |||
23 | 6 | 4 | PNG | 51.47 SB | 0.250 | |||
25 | 7 | 1 | NIG | 55.14 | 0.291 | |||
4 | KAZ | DNF | 0.272 |