| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | USA | United States Junior |  USA | 43.89 WJL | 0.184 | 
| 2 | GER | Germany Junior |  GER | 44.24 SB | 0.213 | 
| 3 | BRA | Brazil Junior |  BRA | 44.29 SB | 0.181 | 
| 4 | POL | Poland Junior |  POL | 44.95 SB | 0.212 | 
| 5 | BEL | Belgium Junior |  BEL | 45.12 | 0.164 | 
| 6 | NED | Netherlands Junior |  NED | 45.22 | 0.232 | 
| NGR | Nigeria Junior |  NGR | DQ | 0.170 | |
| GBR | Great Britain & N.I. Junior |  GBR | DNF | 0.165 |