| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 21.701 | 17/6:08.917 |
| 2 | 2 | 20.669 | 17/6:00.145 |
| 3 | 2 | 20.330 | 18/6:16.200 |
| 4 | 1 | 20.711 | 18/6:15.350 |
| 5 | 1 | 22.356 | 18/6:20.761 |
| 6 | 1 | 20.652 | 18/6:19.257 |
| 7 | 1 | 21.026 | 18/6:19.144 |
| 8 | 1 | 21.229 | 18/6:19.516 |
| 9 | 1 | 20.010 | 18/6:17.368 |
| 10 | 1 | 19.994 | 18/6:15.620 |
| 11 | 1 | 19.914 | 18/6:14.060 |
| 12 | 1 | 19.764 | 18/6:12.534 |
| 13 | 1 | 19.515 | 18/6:10.898 |
| 14 | 1 | 21.684 | 18/6:12.285 |
| 15 | 1 | 20.714 | 18/6:12.323 |
| 16 | 1 | 21.789 | 18/6:13.565 |
| 17 | 1 | 22.127 | 18/6:15.019 |
| 18 | 1 | 23.635 | 18/6:17.820 |