| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 21.490 | N/A |
| 2 | 1 | 18.897 | 19/6:01.636 |
| 3 | 1 | 18.139 | 20/6:13.332 |
| 4 | 2 | 22.337 | 19/6:17.728 |
| 5 | 2 | 18.825 | 19/6:13.381 |
| 6 | 2 | 18.082 | 19/6:08.098 |
| 7 | 2 | 19.104 | 19/6:07.642 |
| 8 | 2 | 17.887 | 19/6:04.186 |
| 9 | 3 | 22.837 | 19/6:12.733 |
| 10 | 3 | 19.007 | 19/6:11.072 |
| 11 | 4 | 26.560 | 18/6:04.337 |
| 12 | 4 | 21.010 | 18/6:05.639 |
| 13 | 4 | 17.902 | 18/6:02.321 |
| 14 | 4 | 17.937 | 19/6:19.446 |
| 15 | 4 | 18.704 | 19/6:17.926 |
| 16 | 4 | 18.629 | 19/6:16.518 |
| 17 | 4 | 18.399 | 19/6:15.028 |
| 18 | 4 | 22.612 | 19/6:18.173 |
| 19 | 4 | 20.507 | 19/6:18.865 |