| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.408 | 19/6:08.752 |
| 2 | 1 | 19.070 | 19/6:05.541 |
| 3 | 2 | 19.094 | 19/6:04.623 |
| 4 | 2 | 19.200 | 19/6:04.667 |
| 5 | 2 | 20.004 | 19/6:07.749 |
| 6 | 2 | 19.725 | 19/6:08.920 |
| 7 | 2 | 19.823 | 19/6:10.022 |
| 8 | 2 | 20.401 | 19/6:12.222 |
| 9 | 2 | 20.893 | 19/6:14.971 |
| 10 | 2 | 21.453 | 19/6:18.235 |
| 11 | 3 | 20.482 | 19/6:19.228 |
| 12 | 2 | 20.478 | 18/6:00.047 |
| 13 | 2 | 19.219 | 19/6:18.904 |
| 14 | 2 | 20.059 | 19/6:19.062 |
| 15 | 2 | 19.701 | 19/6:18.746 |
| 16 | 2 | 19.471 | 19/6:18.196 |
| 17 | 3 | 19.303 | 19/6:17.523 |
| 18 | 2 | 19.573 | 19/6:17.210 |
| 19 | 3 | 20.134 | 19/6:17.491 |