| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.064 | 20/6:01.280 |
| 2 | 1 | 18.146 | 20/6:02.100 |
| 3 | 1 | 17.668 | 21/6:17.146 |
| 4 | 2 | 18.156 | 20/6:00.170 |
| 5 | 2 | 18.395 | 20/6:01.716 |
| 6 | 2 | 18.648 | 20/6:03.590 |
| 7 | 2 | 17.855 | 20/6:02.663 |
| 8 | 2 | 19.021 | 20/6:04.882 |
| 9 | 2 | 17.997 | 20/6:04.333 |
| 10 | 2 | 17.720 | 20/6:03.340 |
| 11 | 2 | 18.035 | 20/6:03.100 |
| 12 | 2 | 19.333 | 20/6:05.063 |
| 13 | 2 | 18.856 | 20/6:05.991 |
| 14 | 2 | 19.752 | 20/6:08.066 |
| 15 | 2 | 18.234 | 20/6:07.840 |
| 16 | 2 | 17.967 | 20/6:07.309 |
| 17 | 2 | 18.507 | 20/6:07.475 |
| 18 | 2 | 17.857 | 20/6:06.901 |
| 19 | 2 | 19.201 | 20/6:07.802 |
| 20 | 2 | 18.087 | 20/6:07.499 |