| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.857 | 20/6:17.140 |
| 2 | 2 | 17.852 | 20/6:07.090 |
| 3 | 2 | 17.824 | 20/6:03.553 |
| 4 | 3 | 18.616 | 20/6:05.745 |
| 5 | 3 | 18.204 | 20/6:05.412 |
| 6 | 3 | 17.731 | 20/6:03.613 |
| 7 | 2 | 18.384 | 20/6:04.194 |
| 8 | 2 | 17.697 | 20/6:02.912 |
| 9 | 2 | 18.287 | 20/6:03.227 |
| 10 | 2 | 17.589 | 20/6:02.082 |
| 11 | 2 | 17.937 | 20/6:01.778 |
| 12 | 2 | 17.352 | 20/6:00.550 |
| 13 | 2 | 17.886 | 20/6:00.332 |
| 14 | 2 | 17.795 | 20/6:00.016 |
| 15 | 2 | 19.158 | 20/6:01.559 |
| 16 | 2 | 18.005 | 20/6:01.468 |
| 17 | 2 | 17.508 | 20/6:00.802 |
| 18 | 2 | 18.301 | 20/6:01.092 |
| 19 | 3 | 19.735 | 20/6:02.861 |
| 20 | 3 | 18.131 | 20/6:02.849 |