| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.168 | 20/6:03.360 |
| 2 | 1 | 17.898 | 20/6:00.660 |
| 3 | 1 | 18.105 | 20/6:01.140 |
| 4 | 1 | 17.923 | 20/6:00.470 |
| 5 | 4 | 22.025 | 20/6:16.476 |
| 6 | 4 | 18.148 | 20/6:14.223 |
| 7 | 4 | 17.704 | 20/6:11.346 |
| 8 | 4 | 17.698 | 20/6:09.173 |
| 9 | 4 | 18.976 | 20/6:10.322 |
| 10 | 4 | 19.272 | 20/6:11.834 |
| 11 | 4 | 17.679 | 20/6:10.175 |
| 12 | 3 | 17.823 | 20/6:09.032 |
| 13 | 3 | 17.385 | 20/6:07.391 |
| 14 | 2 | 17.803 | 20/6:06.581 |
| 15 | 2 | 19.082 | 20/6:07.585 |
| 16 | 1 | 17.995 | 20/6:07.105 |
| 17 | 1 | 19.057 | 20/6:07.931 |
| 18 | 1 | 18.006 | 20/6:07.497 |
| 19 | 2 | 20.673 | 20/6:09.916 |
| 20 | 2 | 19.169 | 20/6:10.589 |