| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.307 | 18/6:05.526 |
| 2 | 2 | 19.834 | 18/6:01.269 |
| 3 | 2 | 20.229 | 18/6:02.220 |
| 4 | 2 | 20.258 | 18/6:02.826 |
| 5 | 2 | 21.049 | 18/6:06.037 |
| 6 | 2 | 20.589 | 18/6:06.798 |
| 7 | 2 | 22.261 | 18/6:11.641 |
| 8 | 2 | 19.765 | 18/6:09.657 |
| 9 | 2 | 20.275 | 18/6:09.134 |
| 10 | 2 | 20.588 | 18/6:09.279 |
| 11 | 2 | 20.682 | 18/6:09.551 |
| 12 | 2 | 20.050 | 18/6:08.830 |
| 13 | 2 | 20.331 | 18/6:08.610 |
| 14 | 2 | 20.360 | 18/6:08.457 |
| 15 | 2 | 19.872 | 18/6:07.740 |
| 16 | 2 | 20.094 | 18/6:07.362 |
| 17 | 2 | 20.349 | 18/6:07.298 |
| 18 | 2 | 20.796 | 18/6:07.689 |