| Order / Lane | ATHLETE | COUNTRY | PB | SB 2008 | 
|---|---|---|---|---|
| 1 | Puerto Rico U20 |  PUR | 3:10.78 | |
| 2 | Hungary U20 |  HUN | 3:09.77 | 3:12.63 | 
| 3 | Kenya U20 |  KEN | 3:05.54 | |
| 4 | Bahamas U20 |  BAH | 3:08.56 | 3:12.09 | 
| 5 | Ukraine U20 |  UKR | 3:09.53 | |
| 6 | Jamaica U20 |  JAM | 3:04.06 | 3:09.71 | 
| 7 | Senegal U20 |  SEN | 3:15.44 | |
| 8 | Lithuania U20 |  LTU | 3:14.11 | |
| 9 | Australia U20 |  AUS | 3:04.74 | 
| Order / Lane | ATHLETE | COUNTRY | PB | SB 2008 | 
|---|---|---|---|---|
| Turkey U20 |  TUR | 3:12.66 | ||
| 2 | Poland U20 |  POL | 3:06.12 | |
| 3 | Japan U20 |  JPN | 3:05.33 | 3:10.80 | 
| 4 | Czech Republic U20 |  CZE | 3:08.69 | |
| 5 | Spain U20 |  ESP | 3:06.95 | |
| 7 | Great Britain & NI U20 |  GBR | 3:03.80 | |
| 8 | Trinidad and Tobago U20 |  TTO | 3:05.70 | 3:11.34 | 
| 9 | Saudi Arabia U20 |  KSA | 3:08.82 | 
| Order / Lane | ATHLETE | COUNTRY | PB | SB 2008 | 
|---|---|---|---|---|
| 2 | South Africa U20 |  RSA | 3:04.50 | 3:10.58 | 
| 3 | Botswana U20 |  BOT | 3:07.53 | 3:09.72 | 
| 4 | Italy U20 |  ITA | 3:06.95 | |
| 5 | Ireland U20 |  IRL | 3:13.09 | |
| 6 | Nigeria U20 |  NGR | 3:07.10 | |
| 7 | Germany U20 |  GER | 3:04.58 | 3:11.52 | 
| 8 | United States U20 |  USA | 3:01.09 | 3:09.39 | 
| 9 | France U20 |  FRA | 3:07.26 |