| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 28.542 | N/A |
| 2 | 3 | 19.990 | 21/7:08.342 |
| 3 | 3 | 20.063 | 21/7:09.072 |
| 4 | 3 | 19.814 | 21/7:07.655 |
| 5 | 3 | 19.683 | 21/7:06.292 |
| 6 | 2 | 20.450 | 21/7:08.542 |
| 7 | 1 | 19.918 | 21/7:08.268 |
| 8 | 1 | 20.165 | 21/7:08.779 |
| 9 | 1 | 19.996 | 21/7:08.739 |
| 10 | 1 | 19.562 | 21/7:07.744 |
| 11 | 2 | 23.266 | 21/7:14.356 |
| 12 | 2 | 19.558 | 21/7:13.023 |
| 13 | 1 | 19.887 | 21/7:12.462 |
| 14 | 1 | 20.089 | 21/7:12.297 |
| 15 | 1 | 19.320 | 21/7:11.057 |
| 16 | 1 | 20.484 | 21/7:11.535 |
| 17 | 1 | 19.985 | 21/7:11.329 |
| 18 | 2 | 22.782 | 21/7:14.438 |
| 19 | 2 | 23.238 | 21/7:17.708 |
| 20 | 2 | 20.258 | 21/7:17.497 |
| 21 | 2 | 19.859 | 21/7:16.909 |