| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.382 | 21/6:05.022 |
| 2 | 2 | 18.128 | 21/6:12.855 |
| 3 | 2 | 16.807 | 21/6:06.219 |
| 4 | 2 | 17.520 | 21/6:06.644 |
| 5 | 2 | 17.622 | 21/6:07.328 |
| 6 | 2 | 17.334 | 21/6:06.776 |
| 7 | 2 | 17.540 | 21/6:06.999 |
| 8 | 3 | 17.546 | 21/6:07.182 |
| 9 | 2 | 17.283 | 21/6:06.711 |
| 10 | 2 | 17.577 | 21/6:06.952 |
| 11 | 2 | 17.664 | 21/6:07.315 |
| 12 | 2 | 17.719 | 21/6:07.713 |
| 13 | 2 | 18.110 | 21/6:08.682 |
| 14 | 2 | 18.537 | 21/6:10.153 |
| 15 | 2 | 17.237 | 21/6:09.608 |
| 16 | 2 | 17.703 | 21/6:09.743 |
| 17 | 2 | 17.397 | 21/6:09.484 |
| 18 | 2 | 17.564 | 21/6:09.448 |
| 19 | 2 | 17.805 | 21/6:09.683 |
| 20 | 2 | 17.972 | 21/6:10.069 |
| 21 | 2 | 18.073 | 21/6:10.520 |