| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.943 | 21/6:16.803 |
| 2 | 2 | 16.532 | 21/6:01.988 |
| 3 | 2 | 17.306 | 21/6:02.467 |
| 4 | 2 | 17.238 | 21/6:02.350 |
| 5 | 1 | 17.376 | 21/6:02.859 |
| 6 | 1 | 18.701 | 21/6:07.836 |
| 7 | 1 | 18.511 | 21/6:10.821 |
| 8 | 1 | 19.061 | 21/6:14.504 |
| 9 | 2 | 20.705 | 20/6:03.051 |
| 10 | 2 | 16.627 | 21/6:18.000 |
| 11 | 2 | 18.021 | 20/6:00.038 |
| 12 | 2 | 16.992 | 21/6:16.273 |
| 13 | 2 | 17.599 | 21/6:15.758 |
| 14 | 2 | 19.936 | 20/6:00.783 |
| 15 | 2 | 17.837 | 20/6:00.513 |
| 16 | 2 | 22.579 | 20/6:06.205 |
| 17 | 2 | 16.559 | 20/6:04.145 |
| 18 | 2 | 16.665 | 20/6:02.431 |
| 19 | 2 | 21.943 | 20/6:06.454 |
| 20 | 2 | 19.122 | 20/6:07.253 |