| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.493 | 21/6:07.353 |
| 2 | 1 | 17.525 | 21/6:07.689 |
| 3 | 1 | 17.314 | 21/6:06.324 |
| 4 | 1 | 17.661 | 21/6:07.463 |
| 5 | 2 | 20.051 | 20/6:00.176 |
| 6 | 2 | 20.215 | 20/6:07.530 |
| 7 | 2 | 18.183 | 20/6:06.977 |
| 8 | 2 | 17.661 | 20/6:05.258 |
| 9 | 2 | 18.279 | 20/6:05.293 |
| 10 | 2 | 17.654 | 20/6:04.072 |
| 11 | 2 | 17.567 | 20/6:02.915 |
| 12 | 2 | 17.818 | 20/6:02.368 |
| 13 | 2 | 18.791 | 20/6:03.403 |
| 14 | 2 | 17.854 | 20/6:02.951 |
| 15 | 2 | 17.583 | 20/6:02.199 |
| 16 | 2 | 22.123 | 20/6:07.215 |
| 17 | 2 | 18.127 | 20/6:06.940 |
| 18 | 2 | 18.269 | 20/6:06.853 |
| 19 | 2 | 18.157 | 20/6:06.658 |
| 20 | 2 | 18.134 | 20/6:06.459 |