| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.142 | 19/6:03.698 |
| 2 | 2 | 18.926 | 19/6:01.646 |
| 3 | 1 | 18.424 | 20/6:16.613 |
| 4 | 1 | 18.537 | 20/6:15.145 |
| 5 | 1 | 18.803 | 20/6:15.328 |
| 6 | 1 | 18.139 | 20/6:13.237 |
| 7 | 1 | 18.416 | 20/6:12.534 |
| 8 | 1 | 18.564 | 20/6:12.377 |
| 9 | 1 | 18.610 | 20/6:12.358 |
| 10 | 1 | 18.612 | 20/6:12.346 |
| 11 | 1 | 19.325 | 20/6:13.633 |
| 12 | 1 | 18.600 | 20/6:13.497 |
| 13 | 1 | 18.455 | 20/6:13.158 |
| 14 | 1 | 19.103 | 20/6:13.794 |
| 15 | 1 | 18.409 | 20/6:13.420 |
| 16 | 1 | 18.892 | 20/6:13.696 |
| 17 | 1 | 18.708 | 20/6:13.724 |
| 18 | 1 | 19.090 | 20/6:14.172 |
| 19 | 1 | 18.857 | 20/6:14.328 |
| 20 | 1 | 23.070 | 20/6:18.682 |