| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.175 | 20/6:03.500 |
| 2 | 3 | 18.182 | 20/6:03.570 |
| 3 | 3 | 18.023 | 20/6:02.533 |
| 4 | 3 | 18.066 | 20/6:02.230 |
| 5 | 3 | 17.536 | 21/6:17.924 |
| 6 | 3 | 17.632 | 21/6:16.649 |
| 7 | 3 | 17.274 | 21/6:14.664 |
| 8 | 3 | 17.742 | 21/6:14.404 |
| 9 | 3 | 17.416 | 21/6:13.441 |
| 10 | 3 | 17.658 | 21/6:13.178 |
| 11 | 3 | 17.767 | 21/6:13.172 |
| 12 | 2 | 17.473 | 21/6:12.652 |
| 13 | 1 | 17.596 | 21/6:12.411 |
| 14 | 1 | 17.833 | 21/6:12.560 |
| 15 | 1 | 18.268 | 21/6:13.297 |
| 16 | 1 | 18.103 | 21/6:13.727 |
| 17 | 1 | 17.535 | 21/6:13.403 |
| 18 | 1 | 18.428 | 21/6:14.158 |
| 19 | 1 | 17.694 | 21/6:14.022 |
| 20 | 1 | 17.819 | 21/6:14.031 |
| 21 | 1 | 17.907 | 21/6:14.127 |