| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.150 | 20/6:03.000 |
| 2 | 1 | 17.471 | 21/6:14.020 |
| 3 | 2 | 18.034 | 21/6:15.585 |
| 4 | 1 | 18.127 | 21/6:16.856 |
| 5 | 1 | 17.714 | 21/6:15.883 |
| 6 | 1 | 17.233 | 21/6:13.551 |
| 7 | 1 | 17.768 | 21/6:13.491 |
| 8 | 2 | 18.630 | 21/6:15.708 |
| 9 | 2 | 19.883 | 20/6:02.244 |
| 10 | 2 | 18.140 | 20/6:02.300 |
| 11 | 2 | 18.036 | 20/6:02.156 |
| 12 | 2 | 18.704 | 20/6:03.150 |
| 13 | 2 | 18.317 | 20/6:03.395 |
| 14 | 2 | 20.070 | 20/6:06.110 |
| 15 | 2 | 18.744 | 20/6:06.695 |
| 16 | 2 | 17.715 | 20/6:05.920 |
| 17 | 2 | 17.385 | 20/6:04.848 |
| 18 | 2 | 18.816 | 20/6:05.486 |
| 19 | 2 | 17.671 | 20/6:04.851 |
| 20 | 2 | 21.252 | 20/6:07.860 |