| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 17.731 | 21/6:12.351 |
| 2 | 3 | 17.378 | 21/6:08.644 |
| 3 | 3 | 18.362 | 21/6:14.297 |
| 4 | 3 | 18.220 | 21/6:16.378 |
| 5 | 3 | 17.557 | 21/6:14.842 |
| 6 | 3 | 18.099 | 21/6:15.714 |
| 7 | 3 | 18.132 | 21/6:16.437 |
| 8 | 3 | 17.695 | 21/6:15.832 |
| 9 | 3 | 18.592 | 21/6:17.454 |
| 10 | 3 | 18.336 | 20/6:00.204 |
| 11 | 3 | 18.432 | 20/6:00.971 |
| 12 | 3 | 18.859 | 20/6:02.322 |
| 13 | 3 | 18.226 | 20/6:02.491 |
| 14 | 3 | 17.951 | 20/6:02.243 |
| 15 | 3 | 19.210 | 20/6:03.707 |
| 16 | 3 | 18.037 | 20/6:03.521 |
| 17 | 3 | 18.178 | 20/6:03.524 |
| 18 | 3 | 18.337 | 20/6:03.702 |
| 19 | 3 | 20.483 | 20/6:06.121 |
| 20 | 3 | 18.398 | 20/6:06.213 |