Pos | Bib | Athlete | Mark | Details | Reaction Time | |
|---|---|---|---|---|---|---|
1 | 2387 | USA | 45.49 | Q | 0.214 | |
2 | 1908 | GUY | 45.87 | Q | 0.189 | |
3 | 1560 | BAH | 45.96 | Q | 0.186 | |
4 | 2355 | UAE | 46.27 | 0.181 | ||
5 | 1797 | FRA | 46.69 | 0.194 | ||
6 | 2024 | JAM | 47.10 | 0.244 | ||
7 | 2218 | PUR | 47.29 | 0.167 | ||
8 | 1509 | ALG | 47.62 | 0.172 | ||
9 | 2344 | TTO | 47.91 | 0.206 |