| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.119 | 20/6:02.380 |
| 2 | 1 | 18.492 | 20/6:06.110 |
| 3 | 1 | 17.342 | 21/6:17.671 |
| 4 | 1 | 18.005 | 21/6:17.779 |
| 5 | 1 | 18.341 | 20/6:01.196 |
| 6 | 1 | 18.088 | 20/6:01.290 |
| 7 | 1 | 19.715 | 20/6:06.006 |
| 8 | 1 | 18.219 | 20/6:05.803 |
| 9 | 1 | 17.993 | 20/6:05.142 |
| 10 | 1 | 18.603 | 20/6:05.834 |
| 11 | 1 | 18.511 | 20/6:06.233 |
| 12 | 1 | 17.735 | 20/6:05.272 |
| 13 | 1 | 19.737 | 20/6:07.538 |
| 14 | 1 | 20.165 | 20/6:10.093 |
| 15 | 1 | 17.928 | 20/6:09.324 |
| 16 | 1 | 17.742 | 20/6:08.419 |
| 17 | 1 | 18.433 | 20/6:08.433 |
| 18 | 1 | 18.500 | 20/6:08.520 |
| 19 | 1 | 18.405 | 20/6:08.498 |
| 20 | 1 | 18.394 | 20/6:08.467 |