Classement
| Position | Participant | Résultat | Notes |
|---|---|---|---|
|
O
|
49.3 | Record olympique | |
|
A
|
49.6 | ||
|
B
|
49.7 | ||
| 4. | 49.9 | ||
| 5. | 50.8 | ||
| 6. | 51.0 |
