| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.328 | 21/6:03.888 |
| 2 | 3 | 18.266 | 21/6:13.737 |
| 3 | 2 | 17.031 | 21/6:08.375 |
| 4 | 1 | 17.519 | 21/6:08.256 |
| 5 | 1 | 16.893 | 21/6:05.555 |
| 6 | 1 | 17.122 | 21/6:04.556 |
| 7 | 1 | 16.768 | 21/6:02.781 |
| 8 | 1 | 18.180 | 21/6:05.156 |
| 9 | 1 | 17.469 | 21/6:05.344 |
| 10 | 1 | 16.657 | 21/6:03.789 |
| 11 | 1 | 17.457 | 21/6:04.045 |
| 12 | 1 | 21.697 | 21/6:11.677 |
| 13 | 1 | 16.742 | 21/6:10.131 |
| 14 | 1 | 21.639 | 21/6:16.152 |
| 15 | 1 | 18.826 | 21/6:17.432 |
| 16 | 1 | 17.782 | 21/6:17.181 |
| 17 | 1 | 18.422 | 21/6:17.750 |
| 18 | 1 | 18.961 | 20/6:00.843 |
| 19 | 1 | 18.682 | 20/6:01.517 |
| 20 | 1 | 18.958 | 20/6:02.399 |