| Order / Lane | ATHLETE | COUNTRY | PB | SB 2006 | 
|---|---|---|---|---|
| 1 | Canada Junior |  CAN | 39.64 | 39.64 | 
| 2 | Poland Junior |  POL | 39.61 | 39.84 | 
| 3 | Great Britain & N.I. Junior |  GBR | 39.05 | 39.30 | 
| 4 | Russia Junior |  RUS | 40.06 | 40.06 | 
| 5 | Jamaica Junior |  JAM | 39.15 | 39.18 | 
| 6 | United States Junior |  USA | 38.66 | 39.50 | 
| 7 | Germany Junior |  GER | 39.25 | 39.99 | 
| 8 | Nigeria Junior |  NGR | 39.54 | 39.68 |