| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 9.241 | N/A |
| 2 | 1 | 19.245 | 20/6:14.896 |
| 3 | 1 | 18.703 | 20/6:09.747 |
| 4 | 1 | 19.332 | 20/6:12.014 |
| 5 | 1 | 18.427 | 20/6:08.849 |
| 6 | 1 | 18.533 | 20/6:07.353 |
| 7 | 1 | 18.387 | 20/6:05.893 |
| 8 | 1 | 18.488 | 20/6:05.124 |
| 9 | 2 | 18.782 | 20/6:05.246 |
| 10 | 2 | 18.724 | 20/6:05.218 |
| 11 | 2 | 18.044 | 20/6:03.904 |
| 12 | 2 | 18.550 | 20/6:03.703 |
| 13 | 2 | 18.233 | 20/6:03.033 |
| 14 | 2 | 19.051 | 20/6:03.662 |
| 15 | 2 | 18.802 | 20/6:03.863 |
| 16 | 2 | 18.561 | 20/6:03.732 |
| 17 | 2 | 19.037 | 20/6:04.183 |
| 18 | 2 | 18.628 | 20/6:04.124 |
| 19 | 2 | 18.629 | 20/6:04.072 |
| 20 | 2 | 18.536 | 20/6:03.933 |