| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.672 | 20/6:13.440 |
| 2 | 1 | 18.955 | 20/6:16.270 |
| 3 | 1 | 18.623 | 20/6:15.000 |
| 4 | 1 | 18.320 | 20/6:12.850 |
| 5 | 2 | 19.234 | 20/6:15.216 |
| 6 | 2 | 19.106 | 20/6:16.367 |
| 7 | 2 | 18.102 | 20/6:14.320 |
| 8 | 2 | 20.257 | 20/6:18.173 |
| 9 | 2 | 20.824 | 19/6:03.307 |
| 10 | 2 | 18.433 | 19/6:01.999 |
| 11 | 2 | 22.987 | 19/6:08.795 |
| 12 | 2 | 18.212 | 19/6:06.898 |
| 13 | 2 | 18.089 | 19/6:05.113 |
| 14 | 2 | 17.929 | 19/6:03.365 |
| 15 | 2 | 18.218 | 19/6:02.217 |
| 16 | 2 | 18.175 | 19/6:01.162 |
| 17 | 2 | 17.684 | 20/6:18.612 |
| 18 | 2 | 18.959 | 20/6:18.643 |
| 19 | 2 | 18.615 | 20/6:18.309 |
| 20 | 2 | 20.405 | 20/6:19.799 |