Pos | Bib | Country | Athlete | Mark | Details | Reaction Time |
---|---|---|---|---|---|---|
1 | 2410 | USA | 44.30 | Q | 0.127 | |
2 | 1874 | GBR | 44.38 | Q | 0.160 | |
3 | 2041 | JAM | 44.97 SB | q | 0.173 | |
4 | 2264 | RSA | 45.24 | 0.121 | ||
5 | 1571 | BEL | 45.41 | 0.163 | ||
6 | 2075 | JPN | 45.75 | 0.134 | ||
7 | 1736 | DOM | 46.19 | 0.192 | ||
8 | 1526 | AUS | 46.21 | 0.140 |