Ranking
| Rank | Participant | Result | Notes |
|---|---|---|---|
|
G
|
48.63 | Olympic record | |
|
S
|
49.08 | ||
|
B
|
49.62 | ||
| 4. | 49.75 | ||
| 5. | 50.08 | ||
| 6. | 50.23 | ||
| 7. | 50.35 | ||
| 8. | 50.54 |
