| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 19.169 | 19/6:04.211 |
| 2 | 3 | 19.233 | 19/6:04.819 |
| 3 | 1 | 19.104 | 19/6:04.205 |
| 4 | 1 | 18.834 | 19/6:02.615 |
| 5 | 1 | 18.665 | 19/6:01.019 |
| 6 | 1 | 18.296 | 20/6:17.670 |
| 7 | 1 | 18.992 | 20/6:17.980 |
| 8 | 1 | 18.134 | 20/6:16.067 |
| 9 | 1 | 19.977 | 20/6:18.676 |
| 10 | 1 | 19.261 | 19/6:00.363 |
| 11 | 1 | 19.424 | 19/6:01.154 |
| 12 | 1 | 18.684 | 19/6:00.641 |
| 13 | 1 | 18.534 | 20/6:18.934 |
| 14 | 1 | 19.726 | 19/6:01.045 |
| 15 | 1 | 19.527 | 19/6:01.709 |
| 16 | 1 | 19.211 | 19/6:01.916 |
| 17 | 1 | 18.823 | 19/6:01.664 |
| 18 | 1 | 20.162 | 19/6:02.854 |
| 19 | 1 | 18.678 | 19/6:02.434 |