| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.377 | 21/6:04.917 |
| 2 | 1 | 17.266 | 21/6:03.752 |
| 3 | 2 | 17.498 | 21/6:04.987 |
| 4 | 2 | 17.401 | 21/6:05.096 |
| 5 | 2 | 17.183 | 21/6:04.245 |
| 6 | 2 | 20.148 | 21/6:14.055 |
| 7 | 2 | 17.537 | 21/6:13.230 |
| 8 | 2 | 17.247 | 21/6:11.850 |
| 9 | 2 | 19.130 | 21/6:15.170 |
| 10 | 2 | 16.995 | 21/6:13.342 |
| 11 | 2 | 17.081 | 21/6:12.011 |
| 12 | 2 | 17.912 | 21/6:12.356 |
| 13 | 2 | 25.446 | 20/6:06.494 |
| 14 | 2 | 17.681 | 20/6:05.574 |
| 15 | 2 | 17.499 | 20/6:04.535 |
| 16 | 2 | 17.534 | 20/6:03.669 |
| 17 | 2 | 17.627 | 20/6:03.014 |
| 18 | 2 | 18.052 | 20/6:02.904 |
| 19 | 2 | 17.902 | 20/6:02.648 |
| 20 | 2 | 17.598 | 20/6:02.114 |