| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.305 | 20/6:06.100 |
| 2 | 2 | 18.034 | 20/6:03.390 |
| 3 | 1 | 17.987 | 20/6:02.173 |
| 4 | 1 | 17.705 | 20/6:00.155 |
| 5 | 1 | 19.103 | 20/6:04.536 |
| 6 | 1 | 18.189 | 20/6:04.410 |
| 7 | 1 | 18.283 | 20/6:04.589 |
| 8 | 1 | 17.883 | 20/6:03.722 |
| 9 | 1 | 18.374 | 20/6:04.140 |
| 10 | 1 | 18.066 | 20/6:03.858 |
| 11 | 1 | 18.012 | 20/6:03.529 |
| 12 | 1 | 18.405 | 20/6:03.910 |
| 13 | 3 | 21.652 | 20/6:09.228 |
| 14 | 3 | 18.312 | 20/6:09.014 |
| 15 | 3 | 17.881 | 20/6:08.255 |
| 16 | 3 | 19.790 | 20/6:09.976 |
| 17 | 2 | 20.812 | 20/6:12.698 |
| 18 | 2 | 17.831 | 20/6:11.804 |
| 19 | 2 | 18.727 | 20/6:11.948 |
| 20 | 2 | 18.652 | 20/6:12.003 |