| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 15.944 | 19/5:02.936 |
| 2 | 1 | 17.035 | 19/5:13.300 |
| 3 | 1 | 17.637 | 18/5:03.696 |
| 4 | 2 | 18.821 | 18/5:12.466 |
| 5 | 2 | 16.491 | 18/5:09.341 |
| 6 | 2 | 17.319 | 18/5:09.741 |
| 7 | 1 | 15.661 | 18/5:05.763 |
| 8 | 2 | 19.397 | 18/5:11.186 |
| 9 | 2 | 16.315 | 18/5:09.240 |
| 10 | 2 | 20.572 | 18/5:15.346 |
| 11 | 2 | 15.822 | 18/5:12.568 |
| 12 | 2 | 16.251 | 18/5:10.898 |
| 13 | 2 | 16.805 | 18/5:10.251 |
| 14 | 2 | 17.713 | 18/5:10.864 |
| 15 | 1 | 15.868 | 18/5:09.181 |
| 16 | 2 | 20.539 | 18/5:12.964 |
| 17 | 2 | 21.732 | 18/5:17.564 |
| 18 | 2 | 16.111 | 18/5:16.033 |