| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS |
|---|---|---|---|---|---|---|
| 1 | 1 | 3 | BAH | Bahamas |
BAH |
3:00.30 Q CR |
| 2 | 1 | 1 | GBR | Great Britain & NI |
GBR |
3:00.74 Q CR |
| 3 | 2 | 3 | TTO | Trinidad and Tobago |
TTO |
3:01.06 Q SB |
| 4 | 1 | 2 | USA | United States |
USA |
3:01.09 Q |
| 5 | 2 | 2 | JAM | Jamaica |
JAM |
3:01.17 Q SB |
| 6 | 2 | 1 | VEN | Venezuela |
VEN |
3:01.96 Q SB |
| 7 | 3 | 3 | CUB | Cuba |
CUB |
3:02.43 q SB |
| 8 | 3 | 1 | BRA | Brazil |
BRA |
3:02.78 q SB |
| 9 | 4 | 3 | BEL | Belgium |
BEL |
3:02.79 SB |
| 10 | 3 | 2 | FRA | France |
FRA |
3:03.74 SB |
| 11 | 5 | 3 | JPN | Japan |
JPN |
3:04.25 SB |
| 12 | 4 | 1 | DOM | Dominican Republic |
DOM |
3:04.44 SB |
| 13 | 4 | 2 | NGR | Nigeria |
NGR |
3:04.48 SB |
| 14 | 5 | 1 | AUS | Australia |
AUS |
3:04.64 SB |
| 15 | 6 | 1 | KEN | Kenya |
KEN |
3:04.69 SB |
| 16 | 5 | 2 | CAN | Canada |
CAN |
3:04.85 SB |
| 17 | 6 | 2 | RUS | Russia |
RUS |
3:05.00 SB |
| 17 | 6 | 3 | PUR | Puerto Rico |
PUR |
3:05.00 SB |
| 19 | 7 | 3 | POL | Poland |
POL |
3:05.16 SB |
| 20 | 7 | 2 | KSA | Saudi Arabia |
KSA |
3:06.37 SB |