| Order / Lane | ATHLETE | COUNTRY | PB | SB 2002 | 
|---|---|---|---|---|
| 2 | Finland Junior |  FIN | 44.40 | |
| 3 | Australia Junior |  AUS | 44.97 | 46.41 | 
| 4 | Jamaica Junior |  JAM | 43.69 | 44.91 | 
| 5 | France Junior |  FRA | 43.9 | |
| 6 | Great Britain & N.I. Junior |  GBR | 44.16 | 44.53 | 
| 7 | South Africa Junior |  RSA | 45.07 | 
| Order / Lane | ATHLETE | COUNTRY | PB | SB 2002 | 
|---|---|---|---|---|
| 2 | Canada Junior |  CAN | 44.88 | |
| 3 | Senegal Junior |  SEN | 48.80 | |
| 4 | Germany Junior |  GER | 43.91 | 45.20 | 
| 5 | United States Junior |  USA | 43.38 | 43.76 | 
| 6 | Saint Kitts and Nevis Junior |  SKN | 48.30 | |
| 7 | Switzerland Junior |  SUI | 45.20 | 46.11 |