| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 19.741 | 19/6:15.079 |
| 2 | 3 | 18.440 | 19/6:02.719 |
| 3 | 3 | 18.617 | 20/6:18.653 |
| 4 | 3 | 19.160 | 19/6:00.800 |
| 5 | 3 | 19.833 | 19/6:04.006 |
| 6 | 4 | 19.449 | 19/6:04.927 |
| 7 | 3 | 18.507 | 19/6:03.028 |
| 8 | 3 | 19.543 | 19/6:04.064 |
| 9 | 3 | 20.275 | 19/6:06.415 |
| 10 | 3 | 19.072 | 19/6:06.010 |
| 11 | 4 | 20.376 | 19/6:07.932 |
| 12 | 3 | 18.358 | 19/6:06.337 |
| 13 | 3 | 21.050 | 19/6:08.923 |
| 14 | 3 | 20.381 | 19/6:10.231 |
| 15 | 3 | 18.712 | 19/6:09.251 |
| 16 | 3 | 18.721 | 19/6:08.404 |
| 17 | 3 | 22.740 | 19/6:12.149 |
| 18 | 4 | 22.498 | 19/6:15.221 |
| 19 | 3 | 19.085 | 19/6:14.558 |