| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.231 | 21/6:01.851 |
| 2 | 1 | 17.009 | 22/6:16.640 |
| 3 | 1 | 17.179 | 22/6:17.073 |
| 4 | 1 | 17.255 | 21/6:00.538 |
| 5 | 2 | 17.418 | 21/6:01.586 |
| 6 | 2 | 19.672 | 21/6:10.174 |
| 7 | 2 | 17.977 | 21/6:11.223 |
| 8 | 2 | 17.185 | 21/6:09.931 |
| 9 | 2 | 17.278 | 21/6:09.143 |
| 10 | 2 | 17.557 | 21/6:09.098 |
| 11 | 2 | 16.881 | 21/6:07.771 |
| 12 | 1 | 17.514 | 21/6:07.773 |
| 13 | 1 | 18.845 | 21/6:09.925 |
| 14 | 1 | 16.762 | 21/6:08.644 |
| 15 | 1 | 17.860 | 21/6:09.072 |
| 16 | 1 | 17.080 | 21/6:08.423 |
| 17 | 1 | 17.025 | 21/6:07.782 |