| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.129 | 19/6:03.451 |
| 2 | 2 | 18.384 | 20/6:15.130 |
| 3 | 2 | 18.543 | 20/6:13.707 |
| 4 | 2 | 19.774 | 19/6:00.193 |
| 5 | 2 | 19.306 | 19/6:01.517 |
| 6 | 2 | 19.300 | 19/6:02.381 |
| 7 | 2 | 18.747 | 19/6:01.497 |
| 8 | 2 | 18.365 | 20/6:18.870 |
| 9 | 2 | 18.632 | 20/6:18.178 |
| 10 | 3 | 21.859 | 19/6:04.874 |
| 11 | 2 | 18.714 | 19/6:04.028 |
| 12 | 2 | 18.475 | 19/6:02.944 |
| 13 | 2 | 18.372 | 19/6:01.877 |
| 14 | 2 | 18.015 | 19/6:00.478 |
| 15 | 2 | 18.907 | 19/6:00.395 |
| 16 | 2 | 18.841 | 19/6:00.244 |
| 17 | 2 | 19.066 | 19/6:00.362 |
| 18 | 2 | 19.556 | 19/6:00.984 |
| 19 | 2 | 20.714 | 19/6:02.699 |