| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 8.498 | N/A |
| 2 | 6 | 9.286 | N/A |
| 3 | 5 | 17.849 | 21/6:06.266 |
| 4 | 6 | 18.745 | 20/6:04.653 |
| 5 | 5 | 18.482 | 21/6:12.596 |
| 6 | 6 | 18.857 | 20/6:05.717 |
| 7 | 4 | 18.384 | 21/6:14.052 |
| 8 | 5 | 18.120 | 20/6:01.404 |
| 9 | 4 | 17.906 | 21/6:16.638 |
| 10 | 5 | 18.218 | 21/6:13.951 |
| 11 | 2 | 17.685 | 21/6:13.075 |
| 12 | 4 | 19.133 | 21/6:17.055 |
| 13 | 3 | 18.975 | 21/6:16.124 |
| 14 | 4 | 18.039 | 21/6:16.302 |
| 15 | 3 | 17.765 | 21/6:14.628 |
| 16 | 4 | 18.763 | 21/6:17.215 |
| 17 | 3 | 18.461 | 21/6:15.113 |
| 18 | 4 | 18.494 | 21/6:17.360 |
| 19 | 2 | 18.130 | 21/6:14.754 |
| 20 | 3 | 18.498 | 21/6:17.482 |