| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.398 | 19/6:08.562 |
| 2 | 1 | 18.789 | 19/6:02.776 |
| 3 | 1 | 18.787 | 19/6:00.835 |
| 4 | 1 | 19.494 | 19/6:03.223 |
| 5 | 1 | 19.414 | 19/6:04.352 |
| 6 | 2 | 19.654 | 19/6:05.864 |
| 7 | 2 | 18.920 | 19/6:04.952 |
| 8 | 2 | 19.685 | 19/6:06.085 |
| 9 | 2 | 19.514 | 19/6:06.605 |
| 10 | 3 | 21.786 | 19/6:11.338 |
| 11 | 3 | 19.213 | 19/6:10.766 |
| 12 | 3 | 19.155 | 19/6:10.198 |
| 13 | 3 | 22.037 | 19/6:13.929 |
| 14 | 3 | 20.829 | 19/6:15.488 |
| 15 | 3 | 21.336 | 19/6:17.481 |
| 16 | 3 | 19.023 | 19/6:16.478 |
| 17 | 3 | 20.212 | 19/6:16.922 |
| 18 | 3 | 19.155 | 19/6:16.201 |
| 19 | 3 | 21.425 | 19/6:17.826 |