| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | ms* |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | BAH | Bahamas |
BAH |
3:12.81 OQ NR | |
| 2 | 1 | 3 | GBR | Great Britain & NI |
GBR |
3:12.99 OQ SB | |
| 3 | 1 | 2 | GER | Germany |
GER |
3:13.85 OQ SB | |
| 4 | 2 | 2 | SUI | Switzerland |
SUI |
3:14.12 OQ NR | |
| 5 | 2 | 1 | JAM | Jamaica |
JAM |
3:14.49 OQ SB | .489 |
| 6 | 2 | 3 | UKR | Ukraine |
UKR |
3:14.49 OQ SB | .490 |
| 7 | 3 | 2 | CAN | Canada |
CAN |
3:14.66 PB | |
| 8 | 3 | 3 | ESP | Spain |
ESP |
3:15.11 SB | |
| 9 | 3 | 1 | RSA | South Africa |
RSA |
3:15.96 | |
| 10 | 4 | 1 | JPN | Japan |
JPN |
3:16.02 SB | |
| 11 | 4 | 3 | BOT | Botswana |
BOT |
3:16.39 | |
| 12 | 4 | 2 | ITA | Italy |
ITA |
3:16.47 SB | |
| 13 | 5 | 3 | POR | Portugal |
POR |
3:17.03 SB | |
| 14 | 5 | 1 | GUY | Guyana |
GUY |
3:17.65 | |
| 15 | 6 | 1 | BRN | Bahrain |
BRN |
3:18.21 SB | |
| 16 | 5 | 2 | KEN | Kenya |
KEN |
3:18.76 | |
| 17 | 7 | 1 | HUN | Hungary |
HUN |
3:18.78 | |
| 18 | 6 | 3 | MEX | Mexico |
MEX |
3:19.81 | |
| 19 | 7 | 3 | COL | Colombia |
COL |
3:21.29 | |
| 1 | BRA | Brazil |
BRA |
DNS | |||
| 2 | IND | India |
IND |
DNS | |||
| 2 | CZE | Czech Republic |
CZE |
DNS |
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second