| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS |
|---|---|---|---|---|---|---|
| 1 | 1 | 2 | USA | United States |
USA |
55.09 Q PB |
| 2 | 1 | 1 | JAM | Jamaica |
JAM |
55.47 Q PB |
| 3 | 2 | 1 | JPN | Japan |
JPN |
56.13 q PB |
| 4 | 3 | 1 | AUS | Australia |
AUS |
56.40 q PB |
| 5 | 2 | 2 | FRA | France |
FRA |
56.56 PB |
| 6 | 3 | 2 | CHN | PR of China |
CHN |
57.54 PB |
| 7 | 4 | 2 | PNG | Papua New Guinea |
PNG |
1:07.32 PB |