| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.496 | 21/6:07.416 |
| 2 | 1 | 17.690 | 21/6:09.453 |
| 3 | 1 | 17.203 | 21/6:06.723 |
| 4 | 1 | 17.313 | 21/6:05.935 |
| 5 | 1 | 18.271 | 21/6:09.487 |
| 6 | 1 | 17.817 | 21/6:10.265 |
| 7 | 1 | 17.115 | 21/6:08.715 |
| 8 | 1 | 18.256 | 21/6:10.548 |
| 9 | 1 | 21.077 | 20/6:00.529 |
| 10 | 1 | 18.620 | 20/6:01.716 |
| 11 | 1 | 19.207 | 20/6:03.755 |
| 12 | 2 | 24.705 | 20/6:14.617 |
| 13 | 1 | 17.568 | 20/6:12.828 |
| 14 | 1 | 17.174 | 20/6:10.731 |
| 15 | 1 | 17.437 | 20/6:09.265 |
| 16 | 1 | 17.212 | 20/6:07.701 |
| 17 | 1 | 19.793 | 20/6:09.358 |
| 18 | 1 | 18.136 | 20/6:08.989 |
| 19 | 1 | 17.617 | 20/6:08.113 |
| 20 | 1 | 17.860 | 20/6:07.567 |