| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 18.289 | 20/6:05.780 |
| 2 | 5 | 17.097 | 21/6:11.553 |
| 3 | 6 | 18.485 | 21/6:17.097 |
| 4 | 6 | 17.576 | 21/6:15.097 |
| 5 | 6 | 20.213 | 20/6:06.640 |
| 6 | 6 | 16.942 | 20/6:02.007 |
| 7 | 6 | 17.057 | 21/6:16.977 |
| 8 | 6 | 17.430 | 21/6:15.609 |
| 9 | 7 | 18.251 | 21/6:16.460 |
| 10 | 8 | 32.357 | 19/6:08.024 |
| 11 | 7 | 17.105 | 19/6:04.113 |
| 12 | 8 | 23.522 | 19/6:11.013 |
| 13 | 7 | 17.751 | 19/6:08.417 |
| 14 | 7 | 17.550 | 19/6:05.920 |
| 15 | 7 | 16.864 | 19/6:02.886 |
| 16 | 7 | 17.650 | 19/6:01.165 |
| 17 | 7 | 19.496 | 19/6:01.710 |
| 18 | 7 | 16.805 | 20/6:18.267 |
| 19 | 7 | 17.807 | 20/6:17.102 |
| 20 | 7 | 21.577 | 20/6:19.824 |