Pos | Rank | Heat | Bib | Athlete | Mark | Details | Reaction Time | |
|---|---|---|---|---|---|---|---|---|
1 | 1 | 2 | 865 | USA | 51.35 | Q | 0.284 | |
2 | 2 | 2 | 719 | JAM | 51.58 PB | Q | 0.237 | |
3 | 3 | 2 | 608 | BAH | 51.63 SB | Q | 0.166 | |
4 | 1 | 1 | 715 | JAM | 52.82 | Q | 0.171 | |
5 | 2 | 1 | 776 | POL | 52.97 | Q | 0.240 | |
6 | 3 | 1 | 847 | USA | 53.20 | Q | 0.184 | |
7 | 4 | 2 | 661 | GBR | 53.59 | 0.196 | ||
8 | 5 | 2 | 678 | GER | 53.60 | 0.213 | ||
1 | 642 | CZE | DNF | 0.219 | ||||
1 | 742 | NED | DQ R163.2(b) | 0.271 | ||||
2 | 807 | RUS | DQ | 0.167 | ||||
1 | 750 | NGR | DNS |