Pos | Rank | Heat | Bib | Athlete | Mark | Details | Reaction Time | |
|---|---|---|---|---|---|---|---|---|
1 | 1 | 1 | 3059 | USA | 48.26 SB | Q | 0.141 | |
2 | 1 | 2 | 2631 | JAM | 48.32 PB | Q | 0.159 | |
3 | 1 | 3 | 2581 | IRL | 48.39 NR | Q | 0.172 | |
4 | 2 | 2 | 2872 | PUR | 48.46 SB | Q | 0.154 | |
5 | 2 | 3 | 2686 | KEN | 48.49 PB | Q | 0.139 | |
6 | 3 | 2 | 2999 | TUR | 48.61 | q | 0.201 | |
7 | 4 | 2 | 2382 | EST | 48.64 | q | 0.121 | |
8 | 3 | 3 | 3095 | USA | 48.65 PB | 0.161 | ||
9 | 4 | 3 | 2807 | NOR | 48.81 | 0.151 | ||
10 | 2 | 1 | 2699 | KEN | 48.85 SB | Q | 0.181 | |
11 | 3 | 1 | 2357 | ESP | 48.87 NR | 0.150 | ||
12 | 5 | 2 | 2913 | RSA | 49.00 | 0.161 | ||
13 | 4 | 1 | 2008 | ALG | 49.08 | 0.200 | ||
14 | 5 | 1 | 2621 | JAM | 49.17 | 0.131 | ||
15 | 6 | 1 | 2652 | JPN | 49.20 | 0.158 | ||
16 | 6 | 2 | 2261 | CPV | 49.32 | 0.165 | ||
17 | 7 | 1 | 2826 | PHI | 49.37 | 0.139 | ||
18 | 5 | 3 | 2090 | BEL | 49.46 | 0.156 | ||
19 | 8 | 1 | 2457 | GBR | 49.54 | 0.185 | ||
20 | 7 | 2 | 2405 | FIN | 49.75 | 0.115 | ||
20 | 6 | 3 | 3042 | URU | 49.75 | 0.166 | ||
22 | 8 | 2 | 2155 | BRA | 49.77 | 0.163 | ||
23 | 7 | 3 | 2869 | PUR | 49.95 | 0.199 | ||
3 | 2615 | JAM | DQ R 168.7a | 0.183 |