| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.951 | 18/6:17.118 |
| 2 | 2 | 20.354 | 18/6:11.745 |
| 3 | 2 | 20.384 | 18/6:10.134 |
| 4 | 2 | 21.072 | 18/6:12.424 |
| 5 | 2 | 20.801 | 18/6:12.823 |
| 6 | 2 | 20.284 | 18/6:11.538 |
| 7 | 1 | 20.351 | 18/6:10.792 |
| 8 | 2 | 22.457 | 18/6:14.971 |
| 9 | 2 | 20.935 | 18/6:15.178 |
| 10 | 1 | 20.457 | 18/6:14.483 |
| 11 | 1 | 20.090 | 18/6:13.313 |
| 12 | 1 | 20.915 | 18/6:13.577 |
| 13 | 1 | 20.903 | 18/6:13.782 |
| 14 | 1 | 20.451 | 18/6:13.378 |
| 15 | 1 | 20.771 | 18/6:13.411 |
| 16 | 1 | 20.740 | 18/6:13.406 |
| 17 | 1 | 21.396 | 18/6:14.095 |
| 18 | 1 | 20.927 | 18/6:14.239 |