| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.308 | 20/6:06.016 |
| 2 | 1 | 19.037 | 20/6:13.045 |
| 3 | 1 | 18.764 | 20/6:14.006 |
| 4 | 1 | 18.790 | 20/6:14.495 |
| 5 | 1 | 18.784 | 20/6:14.732 |
| 6 | 1 | 18.107 | 20/6:12.633 |
| 7 | 1 | 18.885 | 20/6:13.357 |
| 8 | 1 | 19.066 | 20/6:14.352 |
| 9 | 1 | 18.537 | 20/6:13.951 |
| 10 | 1 | 18.589 | 20/6:13.734 |
| 11 | 1 | 18.301 | 20/6:13.032 |
| 12 | 1 | 19.143 | 20/6:13.851 |
| 13 | 1 | 18.886 | 20/6:14.149 |
| 14 | 1 | 18.376 | 20/6:13.675 |
| 15 | 1 | 18.130 | 20/6:12.937 |
| 16 | 1 | 20.394 | 20/6:15.121 |
| 17 | 1 | 19.638 | 20/6:16.158 |
| 18 | 1 | 18.848 | 20/6:16.203 |
| 19 | 1 | 19.229 | 20/6:16.644 |
| 20 | 1 | 19.808 | 20/6:17.062 |