| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.183 | 19/6:04.477 |
| 2 | 3 | 19.406 | 19/6:06.596 |
| 3 | 3 | 18.886 | 19/6:04.008 |
| 4 | 3 | 19.530 | 19/6:05.774 |
| 5 | 3 | 19.538 | 19/6:06.863 |
| 6 | 3 | 19.258 | 19/6:06.703 |
| 7 | 3 | 19.038 | 19/6:05.992 |
| 8 | 3 | 19.191 | 19/6:05.821 |
| 9 | 3 | 19.546 | 19/6:06.438 |
| 10 | 3 | 19.591 | 19/6:07.017 |
| 11 | 3 | 19.513 | 19/6:07.356 |
| 12 | 3 | 22.239 | 19/6:11.955 |
| 13 | 3 | 19.723 | 19/6:12.169 |
| 14 | 3 | 20.161 | 19/6:12.947 |
| 15 | 3 | 19.810 | 19/6:13.176 |
| 16 | 3 | 19.933 | 19/6:13.523 |
| 17 | 3 | 19.063 | 19/6:12.857 |
| 18 | 3 | 20.961 | 19/6:14.268 |
| 19 | 3 | 19.807 | 19/6:14.377 |