| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 21.382 | 17/6:03.494 |
| 2 | 2 | 20.360 | 18/6:15.678 |
| 3 | 2 | 20.257 | 18/6:11.994 |
| 4 | 2 | 20.120 | 18/6:09.536 |
| 5 | 2 | 20.464 | 18/6:09.299 |
| 6 | 2 | 20.437 | 18/6:09.060 |
| 7 | 2 | 20.737 | 18/6:09.661 |
| 8 | 2 | 21.248 | 18/6:11.261 |
| 9 | 2 | 21.686 | 18/6:13.382 |
| 10 | 2 | 21.376 | 18/6:14.521 |
| 11 | 2 | 21.486 | 18/6:15.632 |
| 12 | 2 | 21.093 | 18/6:15.969 |
| 13 | 2 | 21.469 | 18/6:16.775 |
| 14 | 2 | 21.974 | 18/6:18.114 |
| 15 | 2 | 21.448 | 18/6:18.644 |
| 16 | 2 | 22.173 | 18/6:19.924 |
| 17 | 2 | 21.474 | 18/6:20.312 |
| 18 | 2 | 20.959 | 18/6:20.143 |