Pos | Rank | Heat | Bib | Athlete | Mark | Details | Reaction Time | |
|---|---|---|---|---|---|---|---|---|
1 | 1 | 3 | 1639 | JAM | 49.35 PB | Q | 0.202 | |
2 | 2 | 3 | 1827 | QAT | 49.48 PB | Q | 0.185 | |
3 | 3 | 3 | 1874 | SLO | 49.72 =NU20R | q | 0.162 | |
4 | 1 | 2 | 1953 | TUR | 50.12 | Q | 0.193 | |
5 | 1 | 1 | 1826 | PUR | 50.37 NU20R | Q | 0.165 | |
6 | 2 | 2 | 1259 | BEL | 50.45 PB | Q | 0.197 | |
7 | 2 | 1 | 1461 | FRA | 50.59 PB | Q | 0.171 | |
8 | 3 | 2 | 1674 | JPN | 50.62 PB | q | 0.229 | |
9 | 4 | 2 | 2005 | USA | 50.82 PB | 0.168 | ||
10 | 3 | 1 | 1699 | KEN | 50.84 SB | 0.213 | ||
11 | 4 | 1 | 1213 | ARG | 50.86 NU20R | 0.226 | ||
12 | 5 | 2 | 1493 | GBR | 50.95 PB | 0.169 | ||
13 | 5 | 1 | 1290 | BRA | 51.11 | 0.196 | ||
14 | 4 | 3 | 1969 | USA | 51.15 | 0.196 | ||
15 | 5 | 3 | 1676 | JPN | 51.22 | 0.141 | ||
16 | 6 | 2 | 1749 | NED | 51.35 | 0.289 | ||
17 | 6 | 1 | 1643 | JAM | 51.42 | 0.255 | ||
18 | 7 | 1 | 1886 | SRI | 51.59 | 0.210 | ||
19 | 6 | 3 | 1505 | GER | 51.65 | 0.198 | ||
20 | 7 | 3 | 1568 | HUN | 51.72 PB | 0.185 | ||
21 | 7 | 2 | 1620 | ITA | 52.58 | 0.173 | ||
22 | 8 | 3 | 1935 | TPE | 52.61 | 0.232 | ||
23 | 8 | 1 | 1702 | KSA | 52.63 | 0.157 | ||
24 | 8 | 2 | 1828 | QAT | 52.97 | 0.242 |