| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.553 | 21/6:08.613 |
| 2 | 1 | 17.705 | 21/6:10.209 |
| 3 | 1 | 17.626 | 21/6:10.188 |
| 4 | 1 | 17.625 | 21/6:10.172 |
| 5 | 2 | 17.823 | 21/6:10.994 |
| 6 | 2 | 17.271 | 21/6:09.611 |
| 7 | 1 | 17.622 | 21/6:09.675 |
| 8 | 1 | 17.664 | 21/6:09.834 |
| 9 | 1 | 17.329 | 21/6:09.175 |
| 10 | 1 | 17.629 | 21/6:09.279 |
| 11 | 1 | 17.335 | 21/6:08.802 |
| 12 | 1 | 17.755 | 21/6:09.140 |
| 13 | 1 | 17.308 | 21/6:08.703 |
| 14 | 1 | 17.196 | 21/6:08.162 |
| 15 | 1 | 17.483 | 21/6:08.094 |
| 16 | 1 | 17.727 | 21/6:08.354 |
| 17 | 1 | 17.472 | 21/6:08.270 |
| 18 | 2 | 21.647 | 21/6:13.065 |
| 19 | 2 | 17.297 | 21/6:12.548 |
| 20 | 2 | 18.459 | 21/6:13.302 |
| 21 | 2 | 17.117 | 21/6:12.643 |