| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.690 | 20/6:13.800 |
| 2 | 3 | 19.124 | 20/6:18.140 |
| 3 | 3 | 18.944 | 20/6:18.387 |
| 4 | 3 | 18.251 | 20/6:15.045 |
| 5 | 3 | 18.794 | 20/6:15.212 |
| 6 | 3 | 18.772 | 20/6:15.250 |
| 7 | 3 | 19.159 | 20/6:16.383 |
| 8 | 3 | 18.191 | 20/6:14.812 |
| 9 | 3 | 18.942 | 20/6:15.260 |
| 10 | 4 | 25.642 | 19/6:09.567 |
| 11 | 4 | 19.052 | 19/6:08.878 |
| 12 | 4 | 18.112 | 19/6:06.816 |
| 13 | 4 | 19.781 | 19/6:07.510 |
| 14 | 4 | 18.907 | 19/6:06.918 |
| 15 | 4 | 18.276 | 19/6:05.607 |
| 16 | 4 | 18.180 | 19/6:04.345 |
| 17 | 4 | 18.650 | 19/6:03.757 |
| 18 | 4 | 18.207 | 19/6:02.767 |
| 19 | 4 | 18.622 | 19/6:02.296 |