| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.834 | N/A |
| 2 | 1 | 17.473 | 21/6:08.294 |
| 3 | 1 | 17.498 | 21/6:08.544 |
| 4 | 1 | 17.376 | 21/6:07.814 |
| 5 | 1 | 18.506 | 21/6:13.099 |
| 6 | 1 | 17.921 | 21/6:13.093 |
| 7 | 1 | 17.613 | 21/6:13.457 |
| 8 | 1 | 18.644 | 21/6:16.065 |
| 9 | 1 | 17.981 | 21/6:16.364 |
| 10 | 1 | 18.547 | 21/6:17.854 |
| 11 | 1 | 18.063 | 20/6:00.115 |
| 12 | 1 | 18.119 | 20/6:00.386 |
| 13 | 1 | 17.573 | 21/6:17.690 |
| 14 | 1 | 18.357 | 20/6:00.353 |
| 15 | 1 | 19.234 | 20/6:02.062 |
| 16 | 1 | 20.209 | 20/6:04.778 |
| 17 | 1 | 18.177 | 20/6:04.742 |
| 18 | 1 | 17.481 | 20/6:03.932 |
| 19 | 1 | 18.131 | 20/6:03.898 |
| 20 | 1 | 18.046 | 20/6:03.783 |