| Order / Lane | ATHLETE | COUNTRY | PB | SB 2000 | 
|---|---|---|---|---|
| 1 | Poland Junior |  POL | 44.59 | 45.25 | 
| 2 | United States Junior |  USA | 43.38 | 44.96 | 
| 3 | Australia Junior |  AUS | 44.97 | 45.06 | 
| 4 | Jamaica Junior |  JAM | 43.69 | 44.26 | 
| 5 | France Junior |  FRA | 43.9 | 44.55 | 
| 6 | Germany Junior |  GER | 44.04 | 44.28 | 
| 7 | Italy Junior |  ITA | 45.00 | 45.31 | 
| 8 | Sweden Junior |  SWE | 45.08 | 45.08 |