| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.129 | 20/6:02.580 |
| 2 | 4 | 18.504 | 20/6:06.330 |
| 3 | 3 | 17.486 | 20/6:00.793 |
| 4 | 3 | 17.427 | 21/6:15.616 |
| 5 | 4 | 18.962 | 20/6:02.032 |
| 6 | 4 | 19.605 | 20/6:07.043 |
| 7 | 3 | 17.706 | 20/6:05.197 |
| 8 | 4 | 19.053 | 20/6:07.180 |
| 9 | 4 | 17.828 | 20/6:06.000 |
| 10 | 4 | 19.144 | 20/6:07.688 |
| 11 | 4 | 18.117 | 20/6:07.202 |
| 12 | 4 | 19.017 | 20/6:08.297 |
| 13 | 4 | 18.913 | 20/6:09.063 |
| 14 | 4 | 17.772 | 20/6:08.090 |
| 15 | 4 | 17.561 | 20/6:06.965 |
| 16 | 4 | 17.046 | 20/6:05.337 |
| 17 | 4 | 17.494 | 20/6:04.428 |
| 18 | 4 | 17.533 | 20/6:03.663 |
| 19 | 4 | 17.283 | 20/6:02.716 |
| 20 | 4 | 18.451 | 20/6:03.031 |