| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 16.946 | 18/5:05.028 |
| 2 | 3 | 17.073 | 18/5:06.171 |
| 3 | 4 | 17.359 | 18/5:08.268 |
| 4 | 4 | 16.994 | 18/5:07.674 |
| 5 | 3 | 17.618 | 18/5:09.564 |
| 6 | 4 | 17.475 | 18/5:10.395 |
| 7 | 3 | 17.179 | 18/5:10.227 |
| 8 | 3 | 16.934 | 18/5:09.550 |
| 9 | 3 | 16.957 | 18/5:09.007 |
| 10 | 4 | 17.481 | 18/5:09.628 |
| 11 | 4 | 17.510 | 18/5:10.133 |
| 12 | 3 | 17.462 | 18/5:10.482 |
| 13 | 3 | 18.334 | 18/5:11.984 |
| 14 | 4 | 18.191 | 18/5:13.088 |
| 15 | 4 | 16.974 | 18/5:12.584 |
| 16 | 4 | 17.431 | 18/5:12.657 |
| 17 | 4 | 17.511 | 18/5:12.807 |
| 18 | 4 | 17.997 | 18/5:13.426 |