| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.035 | 18/6:00.630 |
| 2 | 4 | 20.790 | 18/6:07.425 |
| 3 | 4 | 19.132 | 19/6:19.728 |
| 4 | 4 | 20.355 | 18/6:01.404 |
| 5 | 4 | 19.108 | 19/6:17.796 |
| 6 | 4 | 18.895 | 19/6:14.664 |
| 7 | 4 | 18.715 | 19/6:11.939 |
| 8 | 4 | 18.999 | 19/6:10.569 |
| 9 | 4 | 18.658 | 19/6:08.784 |
| 10 | 4 | 18.821 | 19/6:07.665 |
| 11 | 4 | 18.913 | 19/6:06.909 |
| 12 | 4 | 18.419 | 19/6:05.497 |
| 13 | 4 | 19.092 | 19/6:05.285 |
| 14 | 4 | 19.269 | 19/6:05.344 |
| 15 | 4 | 19.202 | 19/6:05.310 |
| 16 | 4 | 18.718 | 19/6:04.706 |
| 17 | 4 | 18.892 | 19/6:04.367 |
| 18 | 4 | 19.450 | 19/6:04.655 |
| 19 | 4 | 18.877 | 19/6:04.340 |