Pos | Rank | Heat | Bib | Country | Team | Mark | Details |
---|---|---|---|---|---|---|---|
1 | 1 | 1 | JAM | JAM | 43.28 | Q | |
2 | 1 | 2 | USA | USA | 43.66 SB | Q | |
3 | 1 | 3 | GBR | GBR | 43.78 NU20R | Q | |
4 | 2 | 3 | COL | COL | 44.34 NU20R | Q | |
5 | 3 | 3 | GER | GER | 44.34 | q | |
6 | 2 | 1 | ITA | ITA | 44.69 SB | Q | |
7 | 2 | 2 | AUS | AUS | 44.83 SB | Q | |
8 | 3 | 2 | SUI | SUI | 44.94 SB | q | |
8 | 4 | 3 | CZE | CZE | 44.94 SB | ||
10 | 4 | 2 | POL | POL | 45.14 SB | ||
11 | 3 | 1 | FRA | FRA | 45.20 SB | ||
12 | 4 | 1 | RSA | RSA | 45.84 SB | ||
13 | 5 | 1 | PUR | PUR | 46.12 NU20R | ||
14 | 6 | 1 | TTO | TTO | 46.44 | ||
15 | 7 | 1 | BAH | BAH | 46.51 SB | ||
2 | FIN | FIN | DQ | ||||
3 | NGR | NGR | DQ | ||||
3 | BRA | BRA | DQ | ||||
2 | CAN | CAN | Canada U20 | DNS |