| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.399 | 18/6:07.182 |
| 2 | 2 | 19.958 | 18/6:03.213 |
| 3 | 2 | 20.163 | 18/6:03.120 |
| 4 | 2 | 19.802 | 18/6:01.449 |
| 5 | 3 | 23.296 | 18/6:13.025 |
| 6 | 2 | 21.245 | 18/6:14.589 |
| 7 | 2 | 20.200 | 18/6:13.019 |
| 8 | 2 | 19.655 | 18/6:10.615 |
| 9 | 2 | 20.343 | 18/6:10.122 |
| 10 | 2 | 20.261 | 18/6:09.580 |
| 11 | 2 | 22.612 | 18/6:12.983 |
| 12 | 2 | 20.488 | 18/6:12.633 |
| 13 | 3 | 22.836 | 18/6:15.588 |
| 14 | 3 | 19.587 | 18/6:13.944 |
| 15 | 3 | 21.272 | 18/6:14.540 |
| 16 | 3 | 20.962 | 18/6:14.714 |
| 17 | 3 | 19.533 | 18/6:13.354 |
| 18 | 2 | 20.086 | 18/6:12.698 |