| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.207 | 21/6:01.347 |
| 2 | 2 | 17.480 | 21/6:04.213 |
| 3 | 1 | 16.647 | 22/6:16.449 |
| 4 | 2 | 17.870 | 21/6:03.321 |
| 5 | 2 | 17.735 | 21/6:05.144 |
| 6 | 2 | 17.041 | 21/6:03.930 |
| 7 | 2 | 17.597 | 21/6:04.731 |
| 8 | 1 | 16.776 | 21/6:03.177 |
| 9 | 1 | 16.753 | 21/6:01.914 |
| 10 | 1 | 17.405 | 21/6:02.273 |
| 11 | 1 | 17.324 | 21/6:02.412 |
| 12 | 2 | 23.627 | 21/6:13.559 |
| 13 | 2 | 18.070 | 21/6:14.013 |
| 14 | 2 | 23.565 | 20/6:04.424 |
| 15 | 2 | 16.896 | 20/6:02.657 |
| 16 | 2 | 17.761 | 20/6:02.192 |
| 17 | 2 | 17.284 | 20/6:01.221 |
| 18 | 2 | 19.389 | 20/6:02.697 |
| 19 | 2 | 23.634 | 20/6:08.485 |
| 20 | 2 | 17.132 | 20/6:07.193 |