| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 19.551 | 19/6:11.469 |
| 2 | 3 | 18.865 | 19/6:04.952 |
| 3 | 3 | 19.619 | 19/6:07.555 |
| 4 | 3 | 19.672 | 19/6:09.108 |
| 5 | 3 | 18.322 | 19/6:04.910 |
| 6 | 3 | 19.111 | 19/6:04.610 |
| 7 | 3 | 18.674 | 19/6:03.209 |
| 8 | 4 | 22.145 | 19/6:10.403 |
| 9 | 4 | 20.993 | 19/6:13.565 |
| 10 | 4 | 19.030 | 19/6:12.366 |
| 11 | 4 | 20.161 | 19/6:13.338 |
| 12 | 4 | 31.129 | 18/6:10.908 |
| 13 | 4 | 21.525 | 18/6:12.180 |
| 14 | 4 | 18.838 | 18/6:09.816 |
| 15 | 4 | 18.590 | 18/6:07.470 |
| 16 | 4 | 18.790 | 18/6:05.642 |
| 17 | 4 | 22.642 | 18/6:08.107 |
| 18 | 4 | 20.282 | 18/6:07.939 |