| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 17.814 | 21/6:14.094 |
| 2 | 3 | 17.743 | 21/6:13.349 |
| 3 | 2 | 18.103 | 21/6:15.620 |
| 4 | 2 | 18.465 | 20/6:00.625 |
| 5 | 2 | 18.084 | 20/6:00.836 |
| 6 | 2 | 18.112 | 20/6:01.070 |
| 7 | 3 | 18.237 | 20/6:01.594 |
| 8 | 3 | 18.379 | 20/6:02.342 |
| 9 | 3 | 21.311 | 20/6:09.440 |
| 10 | 3 | 18.706 | 20/6:09.908 |
| 11 | 3 | 18.113 | 20/6:09.213 |
| 12 | 3 | 17.538 | 20/6:07.675 |
| 13 | 3 | 17.626 | 20/6:06.509 |
| 14 | 3 | 17.714 | 20/6:05.636 |
| 15 | 3 | 17.881 | 20/6:05.101 |
| 16 | 3 | 17.905 | 20/6:04.664 |
| 17 | 3 | 17.730 | 20/6:04.072 |
| 18 | 3 | 17.942 | 20/6:03.781 |
| 19 | 3 | 19.387 | 20/6:05.042 |
| 20 | 3 | 17.762 | 20/6:04.552 |