| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 7.940 | N/A |
| 2 | 4 | 17.825 | 21/6:04.044 |
| 3 | 4 | 17.827 | 21/6:04.046 |
| 4 | 4 | 17.285 | 21/6:00.853 |
| 5 | 4 | 17.274 | 22/6:16.547 |
| 6 | 4 | 17.073 | 22/6:14.532 |
| 7 | 3 | 17.489 | 22/6:14.645 |
| 8 | 4 | 17.862 | 22/6:15.845 |
| 9 | 4 | 18.286 | 21/6:00.242 |
| 10 | 4 | 17.701 | 21/6:00.433 |
| 11 | 4 | 17.790 | 21/6:00.764 |
| 12 | 4 | 17.523 | 21/6:00.549 |
| 13 | 4 | 17.509 | 21/6:00.346 |
| 14 | 4 | 19.620 | 21/6:03.423 |
| 15 | 4 | 17.796 | 21/6:03.454 |
| 16 | 4 | 17.424 | 21/6:02.985 |
| 17 | 4 | 17.481 | 21/6:02.646 |
| 18 | 4 | 17.673 | 21/6:02.572 |
| 19 | 4 | 17.766 | 21/6:02.611 |
| 20 | 4 | 17.401 | 21/6:02.261 |
| 21 | 4 | 17.617 | 21/6:02.162 |