| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.505 | 21/6:07.605 |
| 2 | 3 | 18.199 | 21/6:14.892 |
| 3 | 2 | 17.869 | 21/6:15.011 |
| 4 | 2 | 18.006 | 21/6:15.790 |
| 5 | 2 | 17.556 | 21/6:14.367 |
| 6 | 2 | 17.212 | 21/6:12.215 |
| 7 | 2 | 17.417 | 21/6:11.292 |
| 8 | 2 | 17.537 | 21/6:10.915 |
| 9 | 2 | 18.101 | 21/6:11.938 |
| 10 | 2 | 17.941 | 21/6:12.420 |
| 11 | 2 | 17.983 | 21/6:12.895 |
| 12 | 1 | 17.632 | 21/6:12.677 |
| 13 | 2 | 21.835 | 20/6:01.220 |
| 14 | 2 | 18.022 | 20/6:01.164 |
| 15 | 2 | 20.735 | 20/6:04.733 |
| 16 | 2 | 17.620 | 20/6:03.963 |
| 17 | 2 | 17.994 | 20/6:03.722 |
| 18 | 2 | 17.438 | 20/6:02.891 |
| 19 | 3 | 20.806 | 20/6:05.693 |
| 20 | 3 | 17.660 | 20/6:05.068 |