| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.329 | 21/6:03.909 |
| 2 | 2 | 17.298 | 21/6:03.583 |
| 3 | 2 | 17.471 | 21/6:04.686 |
| 4 | 2 | 17.632 | 21/6:06.083 |
| 5 | 4 | 21.258 | 20/6:03.952 |
| 6 | 4 | 17.536 | 20/6:01.747 |
| 7 | 4 | 17.753 | 20/6:00.791 |
| 8 | 3 | 17.421 | 21/6:17.207 |
| 9 | 3 | 18.227 | 21/6:17.825 |
| 10 | 2 | 17.441 | 21/6:16.669 |
| 11 | 2 | 17.392 | 21/6:15.629 |
| 12 | 3 | 19.530 | 20/6:00.480 |
| 13 | 3 | 17.516 | 21/6:17.683 |
| 14 | 2 | 17.160 | 21/6:16.446 |
| 15 | 2 | 17.146 | 21/6:15.354 |
| 16 | 2 | 18.094 | 21/6:15.643 |
| 17 | 2 | 17.268 | 21/6:14.877 |
| 18 | 3 | 25.661 | 20/6:05.703 |
| 19 | 3 | 17.327 | 20/6:04.695 |
| 20 | 3 | 17.089 | 20/6:03.549 |