| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.691 | N/A |
| 2 | 1 | 19.142 | 19/6:05.247 |
| 3 | 1 | 20.054 | 19/6:13.455 |
| 4 | 1 | 19.107 | 19/6:10.509 |
| 5 | 1 | 19.423 | 19/6:10.458 |
| 6 | 1 | 18.771 | 19/6:08.080 |
| 7 | 3 | 25.693 | 18/6:06.896 |
| 8 | 2 | 18.570 | 18/6:02.536 |
| 9 | 2 | 18.786 | 19/6:19.669 |
| 10 | 2 | 18.478 | 19/6:16.739 |
| 11 | 2 | 18.572 | 19/6:14.563 |
| 12 | 3 | 22.648 | 19/6:19.453 |
| 13 | 3 | 19.458 | 19/6:18.744 |
| 14 | 2 | 26.854 | 18/6:07.956 |
| 15 | 2 | 18.397 | 18/6:05.491 |
| 16 | 2 | 18.598 | 18/6:03.582 |
| 17 | 2 | 19.728 | 18/6:03.112 |
| 18 | 2 | 20.992 | 18/6:03.962 |