| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.691 | 20/6:13.820 |
| 2 | 1 | 18.366 | 20/6:10.570 |
| 3 | 2 | 18.862 | 20/6:12.793 |
| 4 | 2 | 18.902 | 20/6:14.105 |
| 5 | 1 | 17.931 | 20/6:11.008 |
| 6 | 2 | 19.738 | 20/6:14.967 |
| 7 | 2 | 18.089 | 20/6:13.083 |
| 8 | 2 | 18.829 | 20/6:13.520 |
| 9 | 2 | 18.291 | 20/6:12.664 |
| 10 | 2 | 17.733 | 20/6:10.864 |
| 11 | 2 | 22.584 | 20/6:18.211 |
| 12 | 2 | 18.797 | 20/6:18.022 |
| 13 | 2 | 17.774 | 20/6:16.288 |
| 14 | 2 | 17.888 | 20/6:14.964 |
| 15 | 2 | 19.099 | 20/6:15.432 |
| 16 | 2 | 18.959 | 20/6:15.666 |
| 17 | 2 | 18.736 | 20/6:15.611 |
| 18 | 2 | 22.172 | 19/6:00.410 |
| 19 | 2 | 18.515 | 20/6:18.901 |
| 20 | 2 | 21.149 | 20/6:21.105 |