Pos | Rank | Heat | Bib | Athlete | Mark | Details | Reaction Time | |
|---|---|---|---|---|---|---|---|---|
1 | 1 | 3 | 3321 | USA | 49.87 SB | Q | 0.187 | |
2 | 2 | 3 | 2213 | JAM | 49.91 | q | 0.247 | |
3 | 1 | 1 | 3313 | USA | 50.07 | Q | 0.149 | |
4 | 1 | 2 | 1214 | BOT | 50.15 | Q | 0.205 | |
5 | 2 | 2 | 3307 | USA | 50.19 | Q | 0.246 | |
6 | 2 | 1 | 1866 | GBR | 50.22 SB | Q | 0.222 | |
7 | 3 | 1 | 2209 | JAM | 50.98 | q | 0.197 | |
8 | 3 | 2 | 2154 | ITA | 51.18 | 0.163 | ||
9 | 4 | 2 | 2195 | JAM | 51.19 | 0.194 | ||
10 | 5 | 2 | 2581 | NGR | 51.35 | 0.151 | ||
11 | 6 | 2 | 3172 | UKR | 51.38 | 0.194 | ||
12 | 3 | 3 | 2585 | NGR | 51.41 | 0.195 | ||
12 | 4 | 3 | 3182 | UKR | 51.41 | 0.176 | ||
14 | 4 | 1 | 2104 | IRL | 51.88 | 0.209 | ||
15 | 5 | 3 | 2750 | PUR | 52.08 | 0.210 | ||
16 | 6 | 3 | 1864 | GBR | 52.24 | 0.219 | ||
17 | 7 | 3 | 2030 | HAI | 52.49 | 0.251 | ||
18 | 5 | 1 | 2536 | NAM | 52.53 | 0.200 | ||
19 | 7 | 2 | 1851 | GBR | 52.58 | 0.185 | ||
19 | 8 | 2 | 2026 | GUY | 52.58 | 0.147 | ||
21 | 6 | 1 | 1313 | CAN | 52.83 | 0.185 | ||
22 | 7 | 1 | 2343 | KEN | 52.95 | 0.196 | ||
1 | 2862 | RUS | DQ | 0.166 | ||||
3 | 2873 | RUS | DQ | 0.198 |