| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.082 | 20/6:01.640 |
| 2 | 2 | 17.963 | 20/6:00.450 |
| 3 | 2 | 18.451 | 20/6:03.307 |
| 4 | 3 | 19.992 | 20/6:12.440 |
| 5 | 3 | 21.325 | 19/6:04.089 |
| 6 | 3 | 21.622 | 19/6:11.878 |
| 7 | 3 | 20.074 | 19/6:13.239 |
| 8 | 3 | 22.610 | 18/6:00.268 |
| 9 | 3 | 19.487 | 19/6:19.168 |
| 10 | 4 | 18.248 | 19/6:15.923 |
| 11 | 4 | 18.221 | 19/6:13.220 |
| 12 | 4 | 22.440 | 19/6:17.649 |
| 13 | 4 | 24.466 | 18/6:04.128 |
| 14 | 4 | 18.810 | 18/6:02.303 |
| 15 | 3 | 17.872 | 19/6:19.573 |
| 16 | 3 | 20.243 | 19/6:19.888 |
| 17 | 4 | 18.958 | 19/6:18.730 |
| 18 | 3 | 21.193 | 18/6:00.057 |