| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.063 | 19/6:02.197 |
| 2 | 2 | 18.162 | 20/6:12.250 |
| 3 | 3 | 19.649 | 19/6:00.202 |
| 4 | 2 | 17.601 | 20/6:12.375 |
| 5 | 2 | 19.386 | 20/6:15.444 |
| 6 | 2 | 17.801 | 20/6:12.207 |
| 7 | 3 | 21.306 | 19/6:00.913 |
| 8 | 3 | 19.007 | 19/6:00.941 |
| 9 | 3 | 19.220 | 19/6:01.412 |
| 10 | 3 | 18.667 | 19/6:00.738 |
| 11 | 4 | 22.983 | 19/6:07.641 |
| 12 | 4 | 17.386 | 19/6:04.532 |
| 13 | 4 | 17.292 | 19/6:01.764 |
| 14 | 4 | 17.678 | 20/6:18.859 |
| 15 | 4 | 19.553 | 19/6:00.688 |
| 16 | 4 | 21.149 | 19/6:03.260 |
| 17 | 4 | 18.519 | 19/6:02.589 |
| 18 | 4 | 20.090 | 19/6:03.652 |
| 19 | 4 | 17.853 | 19/6:02.365 |