| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.041 | 21/7:00.861 |
| 2 | 3 | 22.055 | 20/7:00.960 |
| 3 | 2 | 20.621 | 21/7:19.019 |
| 4 | 2 | 17.438 | 21/7:00.814 |
| 5 | 3 | 20.836 | 21/7:04.162 |
| 6 | 3 | 28.382 | 20/7:11.243 |
| 7 | 3 | 22.739 | 20/7:14.606 |
| 8 | 3 | 19.140 | 20/7:08.130 |
| 9 | 3 | 20.761 | 20/7:06.696 |
| 10 | 3 | 22.453 | 20/7:08.932 |
| 11 | 3 | 20.257 | 20/7:06.769 |
| 12 | 3 | 18.336 | 20/7:01.765 |
| 13 | 4 | 27.499 | 20/7:11.628 |
| 14 | 3 | 17.942 | 20/7:06.429 |
| 15 | 3 | 17.222 | 20/7:00.963 |
| 16 | 3 | 23.325 | 20/7:03.809 |
| 17 | 3 | 20.321 | 20/7:02.786 |
| 18 | 3 | 20.780 | 20/7:02.387 |
| 19 | 3 | 18.663 | 21/7:20.791 |
| 20 | 3 | 18.585 | 21/7:18.266 |
| 21 | 3 | 20.545 | 21/7:17.941 |