Pos | Bib | Athlete | Mark | Details | Reaction Time | |
|---|---|---|---|---|---|---|
1 | 111 | BOT | 44.23 | Q | 0.147 | |
2 | 255 | USA | 44.28 | Q | 0.179 | |
3 | 259 | USA | 44.28 | Q | 0.154 | |
4 | 250 | TTO | 44.44 | Q | 0.145 | |
5 | 124 | CAN | 44.98 | 0.183 | ||
6 | 112 | BOT | 45.00 | 0.136 | ||
7 | 294 | ZAM | 45.51 | 0.155 | ||
8 | 143 | FRA | 45.53 | 0.146 | ||
9 | 170 | HUN | 45.72 | 0.201 |