| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2014 | 
|---|---|---|---|---|---|
| 1 | BAH | Bahamas Junior |  BAH | 44.32 | 45.22 | 
| 2 | GER | Germany Junior |  GER | 43.42 | 44.84 | 
| 3 | USA | United States Junior |  USA | 43.29 | 44.03 | 
| 4 | TTO | Trinidad and Tobago Junior |  TTO | 44.14 | 44.23 | 
| 5 | JAM | Jamaica Junior |  JAM | 43.40 | 44.16 | 
| 6 | BRA | Brazil Junior |  BRA | 43.98 | 44.61 | 
| 7 | JPN | Japan Junior |  JPN | 44.89 | 45.38 | 
| 8 | SUI | Switzerland Junior |  SUI | 44.99 | 45.17 |