| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2012 |
|---|---|---|---|---|---|
| 3 | CHN | PR of China Junior |
CHN
|
44.75 | |
| 4 | NED | Netherlands Junior |
NED
|
44.09 | 45.64 |
| 5 | BAH | Bahamas Junior |
BAH
|
44.32 | 45.02 |
| 6 | SLO | Slovenia Junior |
SLO
|
46.09 | 46.58 |
| 7 | USA | United States Junior |
USA
|
43.29 | 44.39 |
| 8 | AUS | Australia Junior |
AUS
|
44.86 | 45.52 |
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2012 |
|---|---|---|---|---|---|
| 3 | CAN | Canada Junior |
CAN
|
44.77 | 45.67 |
| 4 | GBR | Great Britain & N.I. Junior |
GBR
|
44.16 | 44.48 |
| 5 | ESP | Spain Junior |
ESP
|
45.66 | |
| 6 | JAM | Jamaica Junior |
JAM
|
43.40 | 44.51 |
| 7 | BRA | Brazil Junior |
BRA
|
43.98 | |
| 8 | BEL | Belgium Junior |
BEL
|
45.15 | 45.51 |
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2012 |
|---|---|---|---|---|---|
| 3 | RSA | South Africa Junior |
RSA
|
45.07 | 46.10 |
| 4 | POL | Poland Junior |
POL
|
44.59 | 45.42 |
| 5 | ITA | Italy Junior |
ITA
|
44.52 | |
| 6 | NGR | Nigeria Junior |
NGR
|
43.44 | |
| 7 | GER | Germany Junior |
GER
|
43.42 | 44.54 |
| 8 | SUI | Switzerland Junior |
SUI
|
45.20 | 45.32 |