Pos | Bib | Country | Athlete | Mark | Details | Reaction Time |
---|---|---|---|---|---|---|
1 | 1684 | DOM | 49.38 NR | Q | 0.172 | |
2 | 2501 | JAM | 49.51 PB | Q | 0.162 | |
3 | 1583 | CUB | 49.71 PB | q | 0.168 | |
4 | 3853 | USA | 49.81 | q | 0.153 | |
5 | 1606 | CYP | 50.80 NR | 0.191 | ||
6 | 1112 | AUT | 51.52 PB | 0.224 | ||
7 | 2021 | GBR | 51.59 | 0.140 | ||
8 | 1629 | CZE | 51.62 | 0.183 |