| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 17.991 | 21/6:17.811 |
| 2 | 3 | 18.301 | 20/6:02.920 |
| 3 | 3 | 17.573 | 21/6:17.055 |
| 4 | 3 | 17.530 | 21/6:14.824 |
| 5 | 3 | 17.016 | 21/6:11.326 |
| 6 | 3 | 17.876 | 21/6:12.005 |
| 7 | 3 | 18.775 | 21/6:15.186 |
| 8 | 4 | 17.904 | 21/6:15.286 |
| 9 | 4 | 16.799 | 21/6:12.785 |
| 10 | 3 | 18.860 | 21/6:15.113 |
| 11 | 3 | 17.775 | 21/6:14.945 |
| 12 | 3 | 17.721 | 21/6:14.712 |
| 13 | 3 | 17.112 | 21/6:13.530 |
| 14 | 3 | 17.291 | 21/6:12.786 |
| 15 | 4 | 20.057 | 21/6:16.013 |
| 16 | 4 | 22.146 | 20/6:03.409 |
| 17 | 4 | 18.841 | 20/6:04.198 |
| 18 | 4 | 18.639 | 20/6:04.674 |
| 19 | 4 | 17.569 | 20/6:03.975 |
| 20 | 4 | 17.876 | 20/6:03.652 |