| Order / Lane | ATHLETE | COUNTRY | PB | SB 2006 |
|---|---|---|---|---|
| 1 | Brazil Junior |
BRA
|
44.43 | 44.43 |
| 2 | PR of China Junior |
CHN
|
44.75 | 44.95 |
| 3 | Great Britain & N.I. Junior |
GBR
|
44.16 | 44.33 |
| 4 | Jamaica Junior |
JAM
|
43.40 | 44.69 |
| 5 | United States Junior |
USA
|
43.29 | 43.29 |
| 6 | France Junior |
FRA
|
43.68 | 44.02 |
| 7 | Russia Junior |
RUS
|
44.70 | 44.92 |
| 8 | Poland Junior |
POL
|
44.59 | 44.75 |