| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | 
|---|---|---|---|---|---|---|
| 1 | 1 | 2 | USA | United States U20 |  USA | 3:32.73 Q WJL | 
| 2 | 2 | 2 | CAN | Canada U20 |  CAN | 3:34.88 Q SB | 
| 3 | 3 | 2 | NGR | Nigeria U20 |  NGR | 3:34.99 Q SB | 
| 4 | 1 | 1 | GBR | Great Britain & NI U20 |  GBR | 3:35.37 Q SB | 
| 5 | 2 | 1 | JAM | Jamaica U20 |  JAM | 3:38.89 Q | 
| 6 | 4 | 2 | AUS | Australia U20 |  AUS | 3:39.18 q SB | 
| 7 | 3 | 1 | POL | Poland U20 |  POL | 3:39.51 Q SB | 
| 8 | 5 | 2 | GER | Germany U20 |  GER | 3:39.78 q SB | 
| 9 | 6 | 2 | SLO | Slovenia U20 |  SLO | 3:42.91 NJR | 
| 10 | 4 | 1 | ITA | Italy U20 |  ITA | 3:43.06 SB | 
| 11 | 5 | 1 | FRA | France U20 |  FRA | 3:46.68 SB | 
| 12 | 6 | 1 | IND | India U20 |  IND | 3:52.75 | 
| 1 | CZE | Czech Republic U20 |  CZE | DQ R163.5 |