| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.693 | 21/7:14.553 |
| 2 | 1 | 21.190 | 21/7:19.772 |
| 3 | 1 | 20.798 | 21/7:18.767 |
| 4 | 2 | 21.503 | 20/7:00.920 |
| 5 | 2 | 20.831 | 20/7:00.060 |
| 6 | 2 | 20.894 | 21/7:20.681 |
| 7 | 2 | 20.689 | 21/7:19.794 |
| 8 | 1 | 20.364 | 21/7:18.275 |
| 9 | 1 | 21.113 | 21/7:18.842 |
| 10 | 1 | 21.186 | 21/7:19.448 |
| 11 | 1 | 20.899 | 21/7:19.396 |
| 12 | 1 | 20.639 | 21/7:18.898 |
| 13 | 1 | 21.187 | 21/7:19.362 |
| 14 | 1 | 21.573 | 21/7:20.338 |
| 15 | 1 | 23.981 | 20/7:03.387 |
| 16 | 1 | 20.590 | 20/7:02.662 |
| 17 | 1 | 20.649 | 20/7:02.093 |
| 18 | 1 | 20.459 | 20/7:01.376 |
| 19 | 1 | 21.398 | 20/7:01.722 |
| 20 | 1 | 21.321 | 20/7:01.957 |