Pos | Rank | Heat | Bib | Team | Mark | Details | Reaction Time | |
|---|---|---|---|---|---|---|---|---|
1 | 1 | 2 | USA | USA | 55.09 PB | Q | 0.169 | |
2 | 1 | 1 | JAM | JAM | 55.47 PB | Q | 0.192 | |
3 | 2 | 1 | JPN | JPN | 56.13 PB | q | 0.159 | |
4 | 3 | 1 | AUS | AUS | 56.40 PB | q | 0.135 | |
5 | 2 | 2 | FRA | FRA | 56.56 PB | 0.163 | ||
6 | 3 | 2 | CHN | CHN | 57.54 PB | 0.162 | ||
7 | 4 | 2 | PNG | PNG | 1:07.32 PB | 0.177 |