| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.296 | 21/6:03.216 |
| 2 | 3 | 17.773 | 21/6:08.225 |
| 3 | 3 | 16.939 | 21/6:04.056 |
| 4 | 2 | 17.288 | 21/6:03.804 |
| 5 | 2 | 17.443 | 21/6:04.304 |
| 6 | 2 | 17.401 | 21/6:04.490 |
| 7 | 2 | 17.769 | 21/6:05.727 |
| 8 | 2 | 17.328 | 21/6:05.497 |
| 9 | 3 | 17.536 | 21/6:05.804 |
| 10 | 3 | 17.783 | 21/6:06.568 |
| 11 | 3 | 17.966 | 21/6:07.542 |
| 12 | 3 | 16.861 | 21/6:06.420 |
| 13 | 3 | 17.061 | 21/6:05.794 |
| 14 | 3 | 17.440 | 21/6:05.826 |
| 15 | 3 | 17.359 | 21/6:05.740 |
| 16 | 3 | 19.155 | 21/6:08.022 |
| 17 | 3 | 17.602 | 21/6:08.118 |
| 18 | 3 | 17.974 | 21/6:08.636 |
| 19 | 3 | 17.843 | 21/6:08.956 |
| 20 | 3 | 17.592 | 21/6:08.979 |
| 21 | 3 | 17.451 | 21/6:08.860 |