| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.468 | 20/6:09.360 |
| 2 | 1 | 19.183 | 20/6:16.510 |
| 3 | 2 | 19.432 | 19/6:01.526 |
| 4 | 2 | 18.505 | 20/6:17.940 |
| 5 | 2 | 18.456 | 20/6:16.176 |
| 6 | 2 | 18.014 | 20/6:13.527 |
| 7 | 2 | 17.689 | 20/6:10.706 |
| 8 | 2 | 17.921 | 20/6:09.170 |
| 9 | 2 | 18.404 | 20/6:09.049 |
| 10 | 1 | 19.121 | 20/6:10.386 |
| 11 | 1 | 18.735 | 20/6:10.778 |
| 12 | 1 | 18.097 | 20/6:10.042 |
| 13 | 1 | 17.714 | 20/6:08.829 |
| 14 | 1 | 17.151 | 20/6:06.986 |
| 15 | 1 | 18.445 | 20/6:07.113 |
| 16 | 1 | 19.202 | 20/6:08.171 |
| 17 | 1 | 21.135 | 20/6:11.379 |
| 18 | 1 | 18.779 | 20/6:11.612 |
| 19 | 1 | 18.471 | 20/6:11.497 |
| 20 | 1 | 18.464 | 20/6:11.386 |