| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.174 | 20/6:03.480 |
| 2 | 3 | 18.176 | 20/6:03.500 |
| 3 | 2 | 17.734 | 20/6:00.560 |
| 4 | 2 | 17.924 | 20/6:00.040 |
| 5 | 2 | 18.063 | 20/6:00.284 |
| 6 | 4 | 20.296 | 20/6:07.890 |
| 7 | 4 | 18.527 | 20/6:08.269 |
| 8 | 4 | 17.458 | 20/6:05.880 |
| 9 | 4 | 18.614 | 20/6:06.591 |
| 10 | 4 | 17.102 | 20/6:04.136 |
| 11 | 4 | 19.951 | 20/6:07.307 |
| 12 | 3 | 17.406 | 20/6:05.708 |
| 13 | 3 | 18.295 | 20/6:05.723 |
| 14 | 4 | 22.379 | 20/6:11.570 |
| 15 | 4 | 18.611 | 20/6:11.613 |
| 16 | 3 | 18.162 | 20/6:11.090 |
| 17 | 3 | 18.054 | 20/6:10.501 |
| 18 | 3 | 18.275 | 20/6:10.223 |
| 19 | 3 | 19.906 | 20/6:11.692 |
| 20 | 3 | 18.511 | 20/6:11.618 |