Pos | Rank | Heat | Bib | Athlete | Mark | Details | Reaction Time | |
|---|---|---|---|---|---|---|---|---|
1 | 1 | 1 | 625 | BRN | 52.27 | Q | 0.211 | |
2 | 2 | 1 | 712 | JAM | 52.56 | Q | 0.159 | |
3 | 3 | 1 | 849 | ZAM | 52.72 NIR | q | 0.206 | |
4 | 1 | 2 | 839 | USA | 52.96 | Q | 0.176 | |
5 | 1 | 4 | 827 | USA | 52.98 | Q | 0.209 | |
6 | 2 | 4 | 762 | POL | 53.15 | Q | 0.225 | |
7 | 2 | 2 | 743 | NED | 53.19 | Q | 0.191 | |
8 | 3 | 4 | 776 | ROU | 53.27 | q | 0.223 | |
9 | 4 | 1 | 601 | ANT | 53.70 | q | 0.219 | |
10 | 3 | 2 | 773 | PUR | 53.97 | q | 0.264 | |
11 | 1 | 3 | 767 | POL | 54.25 | Q | 0.217 | |
12 | 2 | 3 | 791 | SVK | 54.53 | Q | 0.247 | |
13 | 3 | 3 | 705 | IVB | 54.95 | 0.207 | ||
14 | 5 | 1 | 603 | ARM | 55.13 SB | 0.156 | ||
15 | 4 | 4 | 740 | MLI | 55.76 NIR | 0.311 | ||
16 | 4 | 2 | 689 | GUM | 1:00.08 NIR | 0.250 | ||
3 | 707 | JAM | DNF | 0.171 | ||||
4 | 742 | NAM | DQ R163.3(b) | 0.209 | ||||
2 | 788 | SOM | DNS |