| Order / Lane | ATHLETE | COUNTRY | PB | SB 2010 |
|---|---|---|---|---|
| 2 | Australia Junior |
AUS
|
44.86 | 45.75 |
| 3 | Jamaica Junior |
JAM
|
43.40 | 45.03 |
| 4 | Hungary Junior |
HUN
|
45.67 | 45.67 |
| 5 | Japan Junior |
JPN
|
44.90 | 46.46 |
| 6 | Germany Junior |
GER
|
43.91 | 44.04 |
| 7 | Netherlands Junior |
NED
|
45.14 | 45.14 |
| 8 | Nigeria Junior |
NGR
|
43.44 |
| Order / Lane | ATHLETE | COUNTRY | PB | SB 2010 |
|---|---|---|---|---|
| 2 | Canada Junior |
CAN
|
44.88 | 46.11 |
| 3 | Bahamas Junior |
BAH
|
44.32 | 45.54 |
| 4 | France Junior |
FRA
|
43.68 | 44.89 |
| 5 | United States Junior |
USA
|
43.29 | 45.29 |
| 6 | Great Britain & N.I. Junior |
GBR
|
44.16 | 44.45 |
| 7 | Poland Junior |
POL
|
44.59 | 45.60 |
| 8 | Spain Junior |
ESP
|
45.66 |