| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.991 | 19/6:00.829 |
| 2 | 4 | 18.774 | 20/6:17.650 |
| 3 | 3 | 18.098 | 20/6:12.420 |
| 4 | 3 | 18.608 | 20/6:12.355 |
| 5 | 3 | 18.645 | 20/6:12.464 |
| 6 | 3 | 18.766 | 20/6:12.940 |
| 7 | 3 | 17.974 | 20/6:11.017 |
| 8 | 3 | 17.546 | 20/6:08.505 |
| 9 | 3 | 17.693 | 20/6:06.878 |
| 10 | 3 | 17.466 | 20/6:05.122 |
| 11 | 3 | 17.823 | 20/6:04.335 |
| 12 | 3 | 18.294 | 20/6:04.463 |
| 13 | 3 | 18.037 | 20/6:04.177 |
| 14 | 3 | 18.306 | 20/6:04.316 |
| 15 | 3 | 18.270 | 20/6:04.388 |
| 16 | 3 | 18.906 | 20/6:05.246 |
| 17 | 3 | 17.946 | 20/6:04.874 |
| 18 | 3 | 18.342 | 20/6:04.983 |
| 19 | 3 | 18.925 | 20/6:05.695 |
| 20 | 3 | 18.343 | 20/6:05.753 |